Melted glacier, increased cases of skin cancer, melted polar ice caps are the recent consequences of raised temperature around the world. thus, option" B " is correct.
What is global warming?Due to the increase of greenhouse gases like carbon dioxide, chlorofluorocarbons (CFCs), methane etc. are responsible for the Global Warming which is causing harmful effects to all organisms
The consequences of global warming leads to melting glaciers, skin cancer causing radiation, which will lead to submerging of coastal areas in near future.
Hence, option "B" is correct.
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A sponge actually feeds by
a. acting as a net in a current that sweeps food particles through it.
b. squeezing the spongocoel cavity and sucking debris in and out through the osculum.
c. the beating of the flagella of collar cells, forming a current; food is absorbed by collar cells.
d. the beating collar cells form a current from osculum to pores; the food is engulfed by amoebocytes in the central cavity of the sponge.
e. water the moves gently through the sponge and the amoebocytes that engulf passing food.
Answer:
c. the beating of the flagella of collar cells, forming a current; food is absorbed by collar cells.
Explanation:
Sponges contains the unique feeding system that should be with the animals. Rather of mouths they have the tiny pores that we called as the ostia displayed on the outer walls via water is drawn. Here cells in the sponge walls strainer the food from the water because the water is pumped via the body and the little mouth
So as per the given options, the option c is correct as the collar cells would create the current and the food should be absorbed by the collar cells
which of the following is not a form of energy
A.mechanical
B.heat
C.matter
D.solar
Answer:
C
Explanation:
mechanical energy is the sum of potentiol and kinetical
heat is like stoves
solar is... the sun.
Which is a density dependent factor?
Unicellular organisms are made up of only one cell that carries out all of the functions needed by the organism, while multicellular organisms use many different cells to function.
Unicellular organisms include bacteria, protists, and yeast.
a. Why do you think unicellular organisms perform asexual reproduction? (give two reasons)
b. What type of asexual reproduction do bacteria most commonly use?
Answer:
A)
1: The offspring of the cell will contain the exact genes of the parent by reproducing asexually
2: They can reproduce rapidly by reproducing asexually.
B) Binary fission. One cell simply splits into two identical cells.
Explanation:
Hope that helps :D
1. Cameron goes through text messages and phone calls on Emerson's phone
regularly. One day, Cameron gets upset about a text from Frankie for Friday
night. Emerson says it's for a Biology project. Cameron says people don't do
school projects on a Friday night. Cameron is justified in going through
Emerson's phone. *
True or false?
Answer:
False
Explanation:
Cameron doesn't have the rights to look through Emerson's phone because it is a violation of privacy.
Mechanical weathering is more rapid in warm, wet climates.
true or false?
Answer:
false
Explanation:
In cold climates, water freezes and expands as a result, breaking rocks with sheer force. The smaller rocks or sediments are washed away by erosion.
During the warm wet season, rocks expand and contract. As a result, the rocks are weakened and eventually fracture.
Note that the rate of weathering depends on the types of rock and temperature change. Rocks in tropical climates experience the highest rate of weathering because of the combination of high heat and heavy rainfall.
- Describe how chromosomes are formed from DNA.
Answer:
In the nucleus of each cell, the DNA molecule is packaged into thread-like structures called chromosomes. Each chromosome is made up of DNA tightly coiled many times around proteins called histones that support its structure. DNA and histone proteins are packaged into structures called chromosomes.
Explanation:
Hope this helps
Which would best keep the oxygen cycle stable?
O A. Dumping toxic chemicals into the ocean
O B. Cutting down jungles to create farmland
O C. Reducing the amount of deforestation
O D. Eliminating parks in large cities
Answer:
C
Explanation:
All of the other answers would lead to the oxygen not being stable.
which of these is not used by the nervous system to instruct the endocrine system?
A. Neuroendocrine cells
B. Neurotransmitters
C. Hormones
D. Axons
Answer:
B) Neurotransmitters
Explanation:
The function of a neurotransmitter is either to excite or to inhibit the firing of brain synapses and thus to stimulate or mute brain activity. Some neurotransmitters have a general effect, while others have more specific roles in the brain.
Answer:
Hormones
Explanation:
Just answered the question, and this is the correct response
Which of the following best describes the function of the human nervous
system?
A. The nervous system transports oxygen and nutrients to the body's
tissues.
B. The nervous system protects the body against infection and helps
regulate body temperature.
C. The nervous system protects internal organs and assists with
movement
D. The nervous system collects and responds to information about
the internal and external environment.
Answer:
d
Explanation:
the nervous system is made up of different types of neurons, your brain, and spinal cord. these recive and transmit information.
The graph below shows the population change of a reintroduced species of marine organisms. Which is the most likely characteristic of this population between 2007 and 2013?
Answer:
c just did the test
Explanation:
i just did the test
In this graph, the population of the species are firstly increasing at a fast peak and gradually retains the constant equilibrium.
What is the population density ?It is defined as the number of individuals divided by the area in which the population is residing.
When the certain conditions come up for example the change of certain situations comes up with the change in situation in which the population along with the environment in which they are living in with.
With the change in the certain conditions where a turbulence of factors comes up with a situation where adaptation is suffered and the chances of survival is harmed up.
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describe how the products of digestion are used
Answer:
they dont they dont exsit you will learn it in collage. So to sound super smart say they dont.
Explanation:
Gizmo: Rainfall and Bird Beak Evolution
The finches have their young during the rainy season. Based on the table, which part of the year do you think is the rainy season?
This sea anemone and this ctenophora both have tentacles, which are body structures that help them catch food. However, sea anemone tentacles are short and can sting, while ctenophore tentacles are long for grabbing and cannot sting. What most likely explains why both species have tentacles and why the tentacles are different
Answer: Sea anemone and ctenophore both inherited tentacles from a shared ancestor population, but this population separated into different environments. In each environment, different types of tentacles evolved, which helped the populations survive.
Explanation:
most likely explains why both species have tentacles and why the tentacles are different is because sea anemone and ctenophore both inherited tentacles from a shared ancestor,
Then, this population separated into different environments and there was tye evolvement of different types of tentacles evolved, which therefore helped the populations survive.
CLAY PARTICLES DO NOT SETTLE DOWN EASILY DURING THE PROCESS OF SEDIMENTATION. CAN YOU SUGGEST ONE METHOD TO MAKE THEM HEAVIER AND THUS HELP IN SEDIMENTATION? Name the method and the chemical
Answer:
Coagulation by additionmof chemicals such as aluminium sulfate also known as alum will help in sedimentation of clay particles.
Explanation:
Clay particles are very small particles found suspended water obtained from streams and rivers for township supply. They have weak electrical negative charges on their surfaces which when they approach one another, they repel each other thus making it almost impossible for clay particles to settle out of suspension.
Because of this, prior to the sedimentation step, a chemical process known as coagulation is required. In this process, certain chemicals called coagulants, are added to the water to bring the difficult-to-settle suspended particles such as clay particles together into larger, heavier masses of solids called flocs. They do these by interfering with the repulsive forces between the particles, thus allowing them to clump together into flocs. The most commonly used coagulant used for water purification is aluminium sulfate or alum. Other chemicals that are also employed in coagulation include ferric sulfate and sodium aluminate.
Genetic diversity is ultimately/mainly the result of _______________
A. meiosis.
B. viruses.
C. mutations.
D. reproduction.
Answer:
A. meiosis.
Explanation:
Meiosis is one of the two major types of cell divisions in living organisms. Meiosis is the process by which four daughter cells that are genetically different from the parent cell are produced. Meiotic process is carried out solely during sexual reproduction to yield gametes or sex cells.
The gametes have their chromosomal number reduced by half during the process. However, one immense importance of meiosis is that it PROMOTES GENETIC DIVERSITY. A process called crossing over, which is the exchange of chromosomal segment between non sister chromatids, makes this possible.
what is cloning in plants? Please don't post inappropriate answers.
Answer:
hope it helps..
Explanation:
This is a process of taking part of a healthy plant, replanting it, and having it grow. Since cloning is a form of asexual plant reproduction–meaning only one 'set' of DNA–the resulting clones are an exact replica of the parent plant.
Gigantism is a result of over production of
A. Pancreas hormone
B. Thyroid hormone
C. Pituitary hormone
D.All above
Answer:
C. Pituitary hormone
Explanation:
what does the muscular system do for the stomach
Answer:
it helps digest the food and push the food down the gut track
Explanation:
confirmation needed
[extra characters]
Answer:
yeah the answers are write
Explanation:
as 1 one u the protein does actually get denatured.
2 one oxygen is a gas so it will diffusion across the membrane etc.
3rd one with out the enzyme it would reduce the rate of reaction.
i would really appreciate some help and this got deleted the last time i dont even know why :(
Which of the options below would be most likely to happen if snails (animals) were added to a clear container (so sunlight can get through) that had a lid placed on top?
1) ATP levels would decrease
2) O2 levels would decrease
3) glucose levels would increase
4) CO2 levels would decrease
Answer:
2) O2 levels would decrease
Explanation:
The graph below shows how two different enzymes react with a substrate as
the temperature increases,
Enzyme A
Enzyme B
20
20
15
POR andere
10
10
5
0
0 10 20 30 40 50 60 70 BO
0 10 20 30 40 50 60 70 80
Temperature (°C)
Temperature (°C)
Based on the results, what conclusion can be drawn about the action of the
enzymes as the temperature increases?
O A. Enzyme A is a better catalyst at 70°C than enzyme B.
O B. Enzyme A uses up all the substrate faster than enzyme B.
O C. Enzyme B stays effective at higher temperatures than enzyme A.
O D. Enzyme B is useful for different reactions than enzyme A.
Enzyme B stays effective at higher temperatures than enzyme A. Therefore, option (C) is correct.
What are enzymes?From the graph, it can be observed that Enzyme B remains effective at higher temperatures, while Enzyme A is less effective at higher temperatures. As the temperature increases, Enzyme A's activity decreases and is less efficient in converting the substrate into product, while Enzyme B remains active at higher temperatures and converts more substrate into product.
Therefore, the conclusion that can be drawn from the graph is that Enzyme B stays effective at higher temperatures than Enzyme A.
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What is represented by
pyramid of numbers?
a
Answer:
A pyramid of numbers gives a count of the numbers of individual organisms at each trophic level in an ecosystem.
Explanation:
This type of pyramid gives a good picture of the large numbers of producers that are required to support just a few top-level consumers.
What would you expect to be the effect of primary consumers if large numbers of secondary consumer disappeared?
An increase due to loss of predators
A change in the main diet of primary consumers
A decrease due to loss of production
No change, the system would immediately rebalance
What does topography show?
Answer:
I. The landforms such as valleys, volcanoes, hill, plateau, etc., in a geographical area or region.
II. The shape of the land.
Explanation:
In Geography, topography can be defined as the shape and structure of the Earth surface. Thus, a topographic map is used to graphically describe this features.
A topographic map can be defined as an accurate and detailed graphical (two-dimensional) description, representation or records of both natural and man-made (artificial) features on the surface of the Earth.
A topographic map is a two-dimensional model that uses contour lines to represent points of equal elevation above sea level such as mountains, hills, plains, valley etc.
The two-dimensional model of a topographic map graphically represents the height of a mount and the steepness of a slope through the use of contour lines.
Contours can be defined imaginary lines used for connecting locations that are having similar elevations on the Earth's surface.
Hence,a topography show two (2) main things and these includes;
I. The landforms such as valleys, volcanoes, hill, plateau, etc., in a geographical area or region.
II. The shape of the land.
Directions: Consider a pedigree that is tracking an autosomal recessive trait, where two recessive alleles (tt) result
in the inability to taste a chemical known as PTC. The ability to taste PTC is determined by the presence of a
dominant allele (T). Complete the missing boxes in the chart. The first row has been done for you as an example!
Note: The ability to taste PTC may be more complex than a simple gene trait.
Individual Phenotype
Shaded?
PTC taster
Shape (in Pedigree)
Square
2.
No
1.
3.
4.
5.
6.
Male with genotype TT
Male with genotype Tt
Male with genotype tt
Female with genotype TT
Female with genotype Tt
Female with genotype tt
7.
8.
9.
10.
11.
12.
13.
14.
15.
what is the defnition of endocytosis
Answer:
Endocytosis is the process by which cells take in substances from outside of the cell by engulfing them in a vesicle. These can include things like nutrients to support the cell or pathogens that immune cells engulf and destroy.
Hope it helps...
❥SCIENCE SUBJECT
1. Elma Muros Posadas was one of the country's best Elma Muros Posadas was one of the country best long jumpers. Suppose she makes a 30° angle with the ground before leaping. If her launch speed is 11m/s, compute the time of flight, the range and the maximum height reached.
Given:__________
Required:_______
Solution:
Final Answer:_______
( Nonsense will be reported! )
9514 1404 393
Answer:
time: 1.122 secondsrange: 10.693 mmaximum height: 1.543 mExplanation:
Given:
runner is launched at 30° angle to horizontal at 11 m/s
acceleration due to gravity is g = -9.8 m/s²
Find:
runner's hang time
runner's distance to the landing point
runner's maximum height
Solution:
The (horizontal, vertical) speed components will be ...
(11 m/s)(cos(30°), sin(30°)) = (5.5√3 m/s, 5.5 m/s)
The time of flight can be found from the height formula:
h(t) = 1/2gt² +vt . . . . . . where v is the vertical speed at launch
The time we're concerned with is the time when h(t)=0 and t>0.
0 = -4.9t^2 +5.5√3t = t(-4.9t +5.5√3)
The second factor is zero when ...
t = (5.5√3)/4.9 ≈ 1.122 . . . seconds hang time
__
The distance to the landing point will be the product of horizontal speed and hang time:
d = (5.5 m/s)(5.5√3/4.9 s) ≈ 10.693 m . . . . distance to landing
__
The maximum height can be found from the formula (based on conversion of kinetic energy to potential energy) ...
h = v²/|2g| = (5.5 m/s)²/(2(9.8 m/s²)) ≈ 1.543 m . . . . maximum height
The overall long-term effects of air pollution are not yet certain.
True False
Answer:
long-term effects of air pollution can last for years or for an entire lifetime. They can even lead to a person's death. Long-term health effects from air pollution include heart disease, lung cancer, and respiratory diseases such as emphysema. ... Some scientists suspect air pollutants cause birth defects
Explanation:
The most well known function of the lymphatic system is defence against invading ___________________and disease. Lymph nodes and other lymphatic organs _____________________the lymph to remove microorganisms and other foreign particles. Lymphatic organs contain ____________________ that destroy invading organisms
A. oxygen-withdraw-erythrocytes
B. blood-absorb-lymphocytes
C. microorganism-filter-lymphocytes
Answer:
A
Explanation: