Answer:
An improved agricultural practices such as adjustment of application rate, application of the right amount of nitrogen, use of slow controlled release fertiliser, applying nitrogen fertilisers when least susceptible to loss, crop rotation
Explanation:
The various ways are available to reduce or prevent pollution of the river with nitrates, the most effective is:- reducing or not use of artificial or industrial-based nitrogen fertilizers and using biofertilizers.
Agriculture or farming contributes to water pollution when using fertilizers more than the required amount or easily lost fertilizers. This increases the of nutrients including nitrates in the river that cause the growth of algal bloom and eutrophication.
There are several ways to control the nitrates in the river:
adjustment of using rateapplication of the right amount of nitrogenslow-release fertilizernitrogen fertilizers when least susceptible to losscrop-rotation and use of legumesavoiding over-irrigationThus, the correct answer is: reducing or not using artificial or industrial-based nitrogen fertilizers and using biofertilizers.
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what is definition od zone of maturation?
The top of the root, or the area nearest to the plant, is where the region matures. The root cap is the name for the root's tip. A plant cell will start in the cell division region and go to the elongation region.
A cell will enlarge in this zone before moving on to the zone of maturity. Acid secretion is the zone of maturation's final function. Acids are secreted by plants to start mineral exchange in the soil. The thin, immature roots hairs located in the zone of maturation secrete acids, or hydrogen ions, onto soil particles. They trade places with the soil's calcium, magnesium, and iron mineral ions.
Maturation is the development of becoming. The act of maturing is referred to as maturation. For example, a mature organism is one that has fully matured and developed for any function or state. Maturity is the stage at which growth or development is complete. Maturation is the process of differentiating in biology.
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a student conducted an experiment to test whether talking to plants would help them grow faster. he set up the following two groups: group 1: spoken to and hand watered. group 2: not spoken to and then watered with sprinklers. after three weeks, the plants in group 1 showed much mote growth than those in group 2. based on the results of this experiment, which is the best conclusion? A: they are not valid because the student ran a controlled experiment B: they are not valid because the student did not control all the variables that can affect plant growth C: they are valid because the dependent variable caused a change in the independent variable D: they are not valid because the time frame to grow a plant is too short
B: they are not valid because the student did not control all the variables that can affect plant growth
Why are controlled experiments crucial, and what are they?Controlled experiments are used in science because they make it possible to precisely control irrelevant and independent variables. This makes it possible to establish a cause and effect link. Controlled experiments also adhere to a set, sequential process. This makes it simple for a different researcher to carry out the same investigation.
Why is the experiment's duration crucial?As a result, the length of an experiment is inextricably tied to the research question: short-term tests usually focus on the immediate responses of animals to sudden environmental change, whereas long-term trials focus on habituated, and possibly even evolved, responses.
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The surface of earth is always changing and making new features. Which weather conditions have the greatest effect on the surface of earth?.
The main factor influencing Earth's surface is sunlight. By generating temperature gradients in the atmosphere and oceans, the sun fuels life on Earth and controls the weather and climate.
What causes the abrupt changes that take place on the earth's surface?Large boulders are broken up and surface sediments are moved by wind, water, and ice. Weathering, erosion, and deposition typically take years to produce observable changes. However, other events alter the surface of the Earth far more swiftly. These include landslides, earthquakes, and volcanic outbursts.
What kind of alteration to the surface of the Earth requires time and a procedure?Erosion happens when the loosening soil and crumbled rock are carried away by natural forces like wind, water, or ice. Earthen materials can't be built up where they developed because of erosion. Erosion typically takes place slowly and covertly over a lengthy period of time.
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A 0. 50-kilogram ball is thrown vertically upward with an initial kinetic energy of 25 joules. Approximately how high will the ball rise? [neglect air resistance. ].
When it is freed, its kinetic energy and gravitational potential energy will be about equal (a little is lost to air resistance). Be aware that this will be based on the release point having no potential energy.
What happens to the ball's kinetic energy when it is hurled vertically up?The kinetic energy is canceled out. Kinetic energy is changed into potential energy in accordance with the rule of conservation of energy. At this height, potential energy is at its highest.
Gravitational potential energy is mgh.
mgh=25J
h=25J/(0.5kg x 9.81m/s^2) = 5.097m
So it goes about 5.1 meters.
Potential energy when a ball is hurled vertically up?The ball's kinetic energy progressively transforms into potential energy when it reaches its highest point. The ball's potential energy is at its highest point, where the ball's velocity falls to zero.
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Which of the following does not increase genetic variation?(a) crossing over(b) random fertilization(c) independent assortment(d) mitosis(e) mutation
Mitosis does not increase genetic variation.
In the context of the cell cycle, mitosis is the part of the mitotic process in which the DNA in the cell's nucleus is divided into two equal sets of chromosomes. Mitosis is the process of cell division in which the cell nucleus divides (in multiple steps) to give rise to two identical daughter cells.Mitosis is a process of cell division where there is a cell (mother) that ultimately divides in the process to produce leading to two genetically identical new cells (daughters).This is how the process the whole process of mitosis comes into action leading to new life forms and bodies.To know more about mitosis here
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What are 3 negative impacts of rainforest removal?
3 negative impacts of rainforest removal:
The loss of trees and other vegetation can cause climate change, desertification, and increased greenhouse gases in the atmosphere.
Definition of Rain ForestA rainforest is an area of tall, mostly evergreen trees and a high amount of rainfall.
Rainforests are Earth’s oldest living ecosystems, with some surviving in their present form for at least 70 million years. They are incredibly diverse and complex, home to more than half of the world’s plant and animal species—even though they cover just 6% of Earth’s surface. This makes rainforests astoundingly dense with flora and fauna; a 10-square-kilometer (4-square-mile) patch can contain as many as 1,500 flowering plants, 750 species of trees, 400 species of birds and 150 species of butterflies.
Rainforests thrive on every continent except Antarctica. The largest rainforests on Earth surround the Amazon River in South America and the Congo River in Africa. The tropical islands of Southeast Asia and parts of Australia support dense rainforest habitats. Even the cool evergreen forests of North America’s Pacific Northwest and Northern Europe are a type of rainforest.
Rainforests’ rich biodiversity is incredibly important to our well-being and the well-being of our planet. Rainforests help regulate our climate and provide us with everyday products.
Unsustainable industrial and agricultural development, however, has severely degraded the health of the world’s rainforests. Citizens, governments, intergovernmental organizations, and conservation groups are working together to protect these invaluable but fragile ecosystems.
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Freh now ha an albedo of about 85%, and old now ha an albedo of about 50%. Which will reflect more of the un' radiation? Why?
Fresh snow has a higher albedo of about 85%, while old snow has a lower albedo of about 50%. Therefore, fresh snow will reflect more of the sun's radiation than old snow.
Albedo is a measure of the reflectivity of a surface, it is the ratio of the amount of light reflected by a surface to the amount of light incident on it. High albedo surfaces like fresh snow reflect more light and heat than low albedo surfaces like old snow. Fresh snow is a good reflector of sunlight because it has a high concentration of ice crystals, which scatter light in all directions.
Old snow has a lower albedo because it becomes more compacted over time, which reduces the number of ice crystals present, and because it may be dirty or covered with dust, which absorbs more light and heat. Additionally, old snow may have a layer of meltwater on top, which also has a lower albedo than the snow.
In conclusion, fresh snow has a higher albedo than old snow, and it reflects more of the sun's radiation back into space. This is why fresh snow appears brighter and whiter than old snow.
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Which way do monsoon winds blow during the winter months?
O toward the sea
O counterclockwise
O clockwise
O toward the land
Answer: Northeast
Explanation:
Identify the landmark found on the diaphysis of the femur.
The Medial Condyle and Lateral Condyle are landmarks found on the diaphysis of the femur. These are the rounded knobs located at the distal end of the diaphysis which forms the articulating surfaces for the knee joint.
The Medial and Lateral Condyles are the two main landmarks found on the diaphysis of the femur. The Medial Condyle is located on the inner side of the femur, and the Lateral Condyle is on the outer side.
They are both located at the distal end of the diaphysis, which is the shaft of the femur, and are separated by the intercondylar fossa. These two condyles form the articulating surfaces for the knee joint, where the femur and tibia bones meet.
The Medial Condyle is larger than the Lateral Condyle and its surface is more concave. Also, the Medial Condyle has a Medial Eminence, which is a small bump on the inner side, that serves as the attachment point for the Medial Collateral Ligament.
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what is the complementary base to cytosine in dna?
Answer:
Guanine
Explanation:
The two strands are held together by hydrogen bonds between pairs of bases adenine pairs with thymine and cytosine pairs with "Guanine".
which part of the eye contains the cells that are sensitive to light?
Answer: The Retina
Explanation:
The retina is the innermost layer of the eye, lining the back of the eyeball. It is composed of several layers of nerve cells and other specialized cells, including the photoreceptor cells, which are responsible for sensing light.
There are two types of photoreceptor cells in the retina: rods and cones. Rods are responsible for detecting light in low-light conditions and they are more sensitive to light than cones. Cones, on the other hand, are responsible for detecting light in bright conditions and are responsible for color vision. Both rods and cones detect light by absorbing photons and triggering neural impulses that travel to the brain via the optic nerve.
In summary, the retina, the innermost layer of the eye, contains the photoreceptor cells, rods and cones, which are sensitive to light and allow us to see.
Which is true about the bonding and
structure of Carbon?
A. It can ONLY bond with other elements to form chains.
B. It has no valence electrons and does not bond at all.
C. It has 5 electrons in its outer shell.
D. It can bond with itself in chains and rings.
Answer: D
Explanation: D. It can bond with itself in chains and rings.
Carbon has four valence electrons in its outermost shell, making it highly reactive and able to form a variety of chemical bonds. Carbon can bond with other elements such as hydrogen, oxygen, nitrogen and sulfur, as well as with itself, to form chains and rings. This ability to bond with other elements and with itself makes carbon a very versatile element and the basis of all organic compounds. Carbon can also bond with other carbon atoms in a variety of ways, such as single, double, and triple bonds, and can form a wide range of molecular structures including chains, branched chains and ring structures.
The element carbon has a valency of four so that it can simultaneously bond with four other atoms. It can bond with itself in chains and rings. The correct option is D.
What is catenation?The carbon atoms have a unique property of linking together in straight chains, branched chains or rings of different sizes which helps to form a large number of organic compounds. This property is called the catenation.
The chemical linkage into chains of atoms of the same element occurring only among the atoms of an element which has a valence of at least two and forms relatively strong bonds with itself. This property is predominant in carbon atoms, also exist in 'Si' and 'S' atoms.
A carbon-carbon bond is a covalent bond among the two carbon atoms. The most general form is the single bond. Every 'C' atom is covalently bonded at the four corners of the tetrahedron to four other 'C' atoms.
Thus the correct option is D.
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30 POINTS!!! What are the functions of the nucleus, ribosome, and Endoplasmic reticulum!
Answer:
NucleusThe nucleus is the center of the cell. It holds the cell's DNA.
Ribosome(s)The ribosome(s) are made of RNA. They translate genetic code into amino acids that hold proteins for the cell.
Endoplasmic reticulumThe endoplasmic reticulum produces proteins similar to the ribosome(s) so that the cell can function on a day-to-day basis.
Hope this helps!
Answer:
Nucleus:
The nucleus is found in most cells. It is usually in the middle of animal cells. In plant cells, it is towards the edge. The nucleus hold the DNA, which is like a code that instructs the cell on what type of protein to synthesize.
Ribosome:
They are made of RNA and proteins, and are very small. This is where the cell, using instructions from the nucleus, synthesizes proteins by joining long chains of amino acids in a particular sequence.
Endoplasmic reticulum:
They can be either smooth or rough. Its main function is also to make proteins and lipids, and transporting and processing them.
Hope it helps!
Describe at least two factors that contributed to the hostility between Maurice Wilkins and Rosalind Franklin
She would be in charge of the X-ray studies of DNA. Wilkins thought that Franklin would be his assistant.
What was the conflict between Wilkins and Franklin?Wilkins felt DNA was his dominant and Franklin was being hired as his deputy, not an independent scientist with her own mind and procedure. Wilkins and Franklin never got along. Markel loudens a chorus of their colleagues on why. Watson blamed Franklin for declining to accept her role as Wilkins' assistant.
He mistook her for a new secretary, and it emerge that they never established a good working connection as fellow scientists. Franklin had gotten the impression she would be waged alone in the lab; Wilkins saw her in a more supportive role to his work.
So we can conclude that Rosalind Franklin acquires images of DNA using X-ray crystallography, an idea first raised by Maurice Wilkins.
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Discovery science is primarily based on ______.
experimentation hypothesis testing deduction observation
Answer:
experimental data
Explanation:
Discovery science aims to find new patterns and correlations, and form hypotheses through the analysis of large-scale experimental data.
Which describes an impermeable rock where oil and natural gas deposits are found?(1 point)
Responses
It only allows certain materials to pass through.
It only allows certain materials to pass through.
It has pores large enough to allow absorption.
It has pores large enough to allow absorption.
It traps the deposits inside them.
It traps the deposits inside them.
It is made up of porous materials.
It confines the deposits within them. describes highly impermeable rock that contains deposits of natural gas and oil.
What exactly is natural gas?
The main component of natural gas, methane, is an odorless, liquid combination of hydrocarbons (CH4). It is typically found in underground reservoirs and is used as a fuel in heating systems, power plants, and vehicles. Natural gas is a clean-burning fuel that is often preferred over other fossil fuels due to its lower emissions.Natural gas is also used to manufacture chemicals and plastics as well as to provide steam for many industrial processes. Natural gas is composed of many different hydrocarbons, including methane, ethane, propane, and butane.Natural gas is formed over millions of years when layers of decayed plants, animals, and other organic matter are buried and exposed to heat and pressure. Over time, the organic material is converted into a gas that is composed mostly of methane.
How else is natural gas produced?
Through drilling, natural gas is retrieved from underground rock formations. Large amounts of natural gas in shale may now be accessed because to improvements in hydraulic fracturing methods.
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It traps the deposits inside them
Explanation:
just did the quick check and got it
Question 10 Which of the following is an example of group therapy? Psychodynamic therapy O Media therapy O Family therapy O Art therapy
A psychodynamic group is a long term group made up of people with similar types of diagnoses, such as depression, dependent personality disorder, general anxiety disorder and etc.
What is a psychodynamic group therapy?A long-term group of persons with comparable illnesses, such as depression, dependent personality disorder, generalised anxiety disorder, etc., is known as a psychodynamic group.
One or perhaps two mental health specialists are in charge of the group. The goal of entering this kind of group is to learn relational coping skills while also being aware of all the problematic ways in which one has up until this point operated.
The goal of becoming aware of one's own dysfunctional behaviours is to start acting in healthier and more fulfilling ways so that one might have better success in life.This is predicated on the idea that we replicate or recreate every single thing that happens in the outside world.
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Family therapy is an example of group therapy. Family therapy is a type of psychological care that focuses on family dynamics and how they impact individual members.
What is Family Therapy?Family therapy is often referred to as couples therapy or marital therapy. Family therapy is predicated on the idea that the family is a system and that interactions between family members have an impact on an individual's issues and habits. It aims to enhance family dynamics and foster more intergenerational understanding. Additionally, it can assist students in learning how to handle stress, settle disputes, and enhance communication.Family therapy is a form of psychological counseling (psychotherapy) that can assist family members in enhancing communication and resolving disputes. A psychologist, professional social worker, or other certified therapists typically offers family therapy.To learn more about Family therapy from the given link
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Help me please I need this soon
The characteristics that make up homologous chromosomes according to the diagram are presence of the same structural features and location.
What is a homologous chromosome?A homologous chromosome is a chromosomal pair that contains the maternal and paternal chromatids of the same length and gene position and is joined by the centromere. Diploid organisms receive one copy of each homologous chromosome from each parent; as a result, they are considered to have a complete set of chromosomes.
Homologous chromosomes have the following structural similarities which includes; same size, same banding patterns, same centromere positions. The same genes are found at the same loci while the genes are the same, alleles may be different.
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Which of the following values can NOT be measured using SI units? a. length c. temperature b. density d. All can be measured with SI units Please select the best answer from the choices provided A B C D
Answer:
The answer is d.
I wish you luck in your assignments.
Answer:
the correct answer is density
Use the data provided to calculate the gravitational potential energy of each cylinder mass. Round your answers to the nearest tenth. 3 kg: kj 6 kg: kj 9 kg: kj.
Each cylinder mass has gravitational potential energy of 14.7kJ, 29.4kJ, and 44.1kJ.
The energy that a body or object has as a result of being in a gravitational field is known as gravitational potential energy.
The gravitational potential energy [tex]U_p[/tex] will have the following value for the Earth, where the gravitational field is assumed to be constant:
[tex]U_p= mgh[/tex]
Where
m is the object's mass,
g is its gravitational acceleration (9.8 m/s2 on Earth), and
h (500m) is its height above a reference point.
With this knowledge, let's start the calculations:
Given that the cylinder weighs 3 kg,
[tex]U_p=(3kg)(9.8m/s^2)(500m)\\U_p= 14700J\\U_p= 14.7kJ[/tex]
Given that the mass of the cylinder is 6 kg,
[tex]U_p=(6kg)(9.8m/s^2)(500m)\\U_p= 29400J\\U_p= 29.4kJ[/tex]
Given that the mass of the cylinder is 9 kg,
[tex]U_p=(9kg)(9.8m/s^2)(500m)\\U_p= 44100J\\U_p= 44.1kJ[/tex]
The complete question is:-
Use the data provided to calculate the gravitational potential energy of each cylinder mass. Round your answers to the nearest tenth.
3 kg: ____kJ
6 kg: ____kJ
9 kg: ____kJ
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Explain how the data from the river samples showed that there was a problem with the water treatment plant AND how this was solved.
The purity of the water can be ascertained both physically and chemically.
How do we know that there is a problem with the water?We have to note that water have certain markers that tell us if the water can be said to be pure or not. Some of the commonest markers are the color, the turbidity and the odor of the water.
We also have some of the chemical markers that tell if the water is pure such as the pH of the water, the amount of certain ions as well as the conductivity of the water. This is how we can be able to know if a sample of water is pure or is not.
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The (4) ____ is built around the nose,lungs,and breathing tubes.
The ciliated epithelial cell is built around the nose, lungs, and breathing tubes.
What is a respiratory system?A respiratory system is defined as one of the major systems of the body that is made up of organs that helps in the removal of carbondioxide and in take of oxygen for the use of body cells.
The organs of the respiratory system include the following:
NoseLungs Breathing tubes(trachea)The ciliated epithelial cells is a natural in-built defensive mechanism that helps in the removal of dirts that are trapped during breathing.
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the respiratory rate times the tidal volume corrected for dead space is the __
Answer:
im a god
Explanation:ong
Someone who displays symptoms of an anxiety disorder would be given an Axis I classification of mental disorders. T or F
True. The Diagnostic and Statistical Manual of Mental Disorders (DSM-5) classifies anxiety disorders as a group of conditions that fall under Axis I of the classification system. Axis I of the DSM-5 is used to classify clinical disorders and other conditions that may be a focus of clinical attention. Anxiety disorders are a group of conditions that include generalized anxiety disorder, panic disorder, social anxiety disorder, specific phobias, and separation anxiety disorder, among others. These disorders are characterized by excessive and persistent worry, fear or anxiety that causes significant distress and impairment in daily functioning.
Answer:
true
Explanation:
right on edge 2022
In the salinan creation story, which animal was responsible for creating the world?
As for the Salinan belief, when the world was ready, the Bald Eagle, who was the chief of the animals, created the first man out of clay.
What is Salinan?
The Salinan's are an Indian tribe whose ancestral territory is in the southern Salinas Valley and Santa Lucia Mountains on the central coast of California. Today, Salinas governments are now working toward federal tribal recognition from the Bureau of Indian Affairs. There were two main departments, the Miguelino to the south in the upper Salinas River and the Antoniano to the north in the lower Salinas Basin, corresponding to the two missions in the Salinas Valley. There was also a group of payaos on the Pacific coast near present-day San Simeon and Lucia.
Prior to European contact, the Salinians lived by hunting and gathering, and the , like most other California tribes, were organized into small groups with little centralized political structure.
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can yall answer both if you can
Where are rifts most likely to form?
At a convergent boundary between an oceanic and a continental crust
At a Diverging Boundary
At a convergent boundary between two oceanic plates
A convergent boundary between two continental crusts
Rifts most likely to form 'at a convergent boundary between two oceanic plates'.
What are oceanic plates?
Oceanic plates are sections of the Earth’s lithosphere that make up the outermost layer of the Earth’s surface. They are made up of dense, thin, relatively young rocks that move slowly and are denser than continental plates. Oceanic plates are mostly composed of basalt, a type of igneous rock that forms along mid-ocean ridges. Oceanic plates are responsible for the formation of ocean basins, and they are constantly moving due to the forces of plate tectonics.
A convergent boundary between two oceanic plates is an ideal location for a rift to form because of the extreme pressure created by the two plates colliding. This pressure can cause the lithosphere to break apart and form a rift, allowing two plates to move away from each other. Additionally, oceanic plates are much thinner than continental plates, making them more prone to breaking apart and forming rifts.
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Answer:
да
Explanation:
конечно
Help me out internet
C is wrong but D is correct
i think A is also correct
The organic compounds in living things are organized into groups: carbohydrates, lipids, proteins, and nucleic acids. Which two macromolecules play a role in storing and providing energy in an organism?.
The two substances that are used as an energy source by living beings most frequently are carbohydrates and lipids.
Biomolecules in briefly?Carbohydrates, lipids, proteins, and nucleic acids are examples of biological molecules found in living systems. These organic or molecular substances serve a variety of purposes within the cell. One of these capabilities is their ability to be broken down and produce energy for the cell.
What exactly are organic substances like proteins, lipids, and nucleic acids?Proteins, lipids, carbohydrates, and nucleic acids are all categorized as biological macromolecules because they interact with biological systems and their surroundings. The composition of the constituent elements determines the characteristics of all these organic compounds.
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meiosis occurs in a sex cell which is a haploid
A farmer sprays for pests on the
first of each month. What type of
control is this?
Answer:
not recommended according to IPM
Explanation: