Answer:
In a covalent bond, the atoms bond by sharing electrons. Covalent bonds usually occur between nonmetals. For example, in water (H2O) each hydrogen (H) and oxygen (O) share a pair of electrons to make a molecule of two hydrogen atoms single bonded to a single oxygen atom.
Explanation:
The universe began about 14 billion years ago and has been expanding and cooling ever since. What does this statement most completely describe?
the Doppler effect
the big bang theory
cosmic background radiation
light years
Answer:
the big bang theory
Explanation:
Answer:
its the big bang theory
Explanation:
A net force of 40 N south acts on an object with a mass of 20
kg. What is the object's acceleration?
(Hint: Use the formula a = .)
m
0
A. a = 2 m/s2 south
B. a = 20 m/s 2 north
C. a = 4 m/s 2 north
D. a = 10 m/s2 south
SUBM
Answer: I’m really unsure but is the answer 2 m/s2 the answer y’all are looking for?
Explanation: don’t know if I’m right or not (please tell me if I’m am) but all I can say right now is have a blessed day
An edit: I was right I got it right on the quiz
Which type of cell is capable of self-renewal?
stem cell
blood cell
muscle cell
neuron
Answer: A
Explanation:
edge
Amelia is viewing a karyotype. Based on her study of the karyotype, she has determined that the individual is a female. Rob comes over to check her work. He disagrees with her. He sees...
a. an XX in the 23rd pair
b. an XY in the 23rd pair
c. a YY in the 23rd pair
d. an XO in the 23rd pair
Answer:
B. an XY in 23rd pair
Explanation:
Females have 2 X chromosomes for their 23rd homologous pair;
Males have 1 x and 1 Y chromosome for their 23rd pair.
.Which of the following lists contains only arthropods?
A
annelids, insects, myriapods CADA STAVI819 UAB
B.
arachnids, crustaceans, myriapods
С
crustaceans, insects. molluscs
D insects, myriapods, nematodes
Answer:
Arachnids, crustaceans, myriapods.
Explanation:
Arthropods are animals that form the phylum Euarthropoda. This phylum includes the arachnids, crustaceans, myriapods, and insects. The defining characteristic for an animal to be considered an arthropod is that it has to have an exoskeleton, meaning that the skeleton of the animal is acting as a shell to the body, covering it from the outside.
At present, all of the species of arthropods are small in size, though in the distant past there were speciemens that can be considered as medium-sized or even large. The exoskeleton has its advantages and disadvantages. An advantage is that it is very hard and it covers fully the internal organs, thus protecting them. A disadvantage is that it limits the size to which these animals can grow as the exoskeleton cannot support the weight of the body after certain point.
The organic compound below consists of an adenine molecule (blue), a ribose (purple), and three phosphate groups (orange).
A compound has an adenine molecule, a ribose molecule, and 3 phosphate groups.
Which compound is shown?
Answer:
I am pretty sure it is ATP not 100% though :) hope this helps a little
Explanation:
Answer:
ATP
Explanation:
edge
What are the correct answers?
it is two forces are unequal or unbalance
If DNA were not packed into X-shaped chromosomes, ______.
a. it would be easier to separate strands of DNA into daughter cells
b. they would look like Y chromosomes
c. the distribution of genetic material into separate daughter cells may not occur equitably
d. it would not take as long for mitosis and meiosis to occur
Answer:
c. the distribution of genetic material into separate daughter cells may not occur equitably
Explanation:
Deoxyribonucleic acid, also known as DNA, is the genetic material in living organisms. It is found in the nucleus of eukaryotic cells. The DNA is, however, found to be wrapped around certain proteins to form an X-shaped CHROMOSOME structure during the process of cell division (mitosis and meiosis).
The purpose of this shape is to ensure that the daughter cells that results from cellular division processes receives an equal copy of the DNA in each chromosome. Hence, If DNA were not packed into X-shaped chromosomes, the distribution of genetic material (DNA) into separate daughter cells may not occur equitably/equally.
Which of the following is the best description of the Earth's Atmosphere?
1) all the gases that surround the Earth's surface
2) earths water
3) all the rocks and soil on the earth surface
4) all the living things on earths
What molecule makes the cell membrane fluid and
selectively permeable.
Answer:
Phospholipids
4. The two major threats of burns are?
a. Loss of skin and infection
b. Dehydration and Discoloration
c. Discoloration and Loss of Skin
d. Infection and Dehydration
Answer:
A
Explanation:
Id say A because dehydration has to do with the lack of water, and we are talking about burns. Discoloration might make sense in context such as the skin around the burn was dark and discolored. But actually loosing your skin and getting an infection in that open wound sounds much worse
Identify these elements of photosynthesis.
Answer:
light energy top one, glucose the right one, and carbon dioxide the left one
Explanation:
What type of protein can be described by the following:
Integral
Facilitated transport
Ion movement
A fruit fly has black eyes. Having red eyes is a dominant trait (R) and having black eyes is a recessive trait (r).
Which describes the fruit fly’s genotype and phenotype?
genotype: black eyes
phenotype: Rr
genotype: black eyes
phenotype: rr
genotype: rr
phenotype: black eyes
genotype: Rr
phenotype: black eyes
Answer:
It's C on edge 2020
Explanation:
I took the test...
Answer:
C) Is da answer :>
Explanation:
Have a nice day :D
How would you difference between pollen cells and algae cells?
Answer:
The difference between the given terms is summarized below.
Explanation:
Pollen cells:
Single or perhaps even more vegetative cell lines as well as a reproductive cell come in the form of pollen. The masculine gamete is not a pollen crop on its own.Algae cells:
There will only be a singular nucleus throughout many of these algal cells, whereas other cells have become multi-nucleate. Furthermore, several other algae were indeed saponaceous, which means that cell walls aren't differentiated from one of the several nuclei.The differentiation between pollen cells and algae cells can be seen from the habitat in which they thrive and their structural characteristics.
The pollen cells are reproductive structures in a plant that gives rise to the male gametophyte that houses the male reproductive cell of a plant. During pollination, they are being transferred to the stigma by to the presence of spikes around the pollen cells which attaches to the bees (an agent of pollination).
The algae cells are single or multinucleate eukaryotic cells, that live in swampy and wet habitats. The presence of the tail in the cells helps in the locomotion of the cells to the area where their fertilization takes place.
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Which of the following factors does not impact the infiltration rate of
water?
The porosity/permeability of the soil
The water table level
The rate of precipitation
The amount of pollution in a nearby stream
Answer:
The amount of pollution in a nearby stream
Infiltration is the process in which the water seeps into the soil surface. Thus, option B is correct.
What is Infiltration?Infiltration is an important phenomenon that defines percolation of water in the soil. It is important for maintaining the ground water level.
The water seeps down into the soil gradually through capillary action. Infiltration is mostly observed during a rainfall.
Infiltration takes place till the soil accomodates maximum water. Beyond that, infiltration will stop as the soil is said to be saturated with water.
Infiltration is measured in inches per hour. It is the depth of water enters into the soil in an hour.
Infiltration rate is determined by various factors. Soil porosity and texture of the soil is one such important factor for water infiltration.
Porosity of the soil can be deteriorated through human activities. Large pores hinder percolation of water.
Infiltration is also determined by the intensity and duration of precipitation.
Therefore, infiltration is important for increasing the water table for further water storage.
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Give a fact about red blood cells
Answer:
Red blood cells (erythrocytes)
Red blood cells carry oxygen from your lungs to your tissues. They also bring carbon dioxide back to your lungs. Red blood cells make up almost half of your blood. The lifespan of a red blood cell is around 120 days
Explanation:
Which is one place that glaciers are found?
A. In the ocean
B. In the tropics
C. at low altitudes
D. At high altitudes
Answer:
at high altitudes ! hopefully this helps ^-^
What is the definition of a hydrocarbon? (1 point)
O large molecules that are produced by living things
O a single line bonding carbon and hydrogen
O electrons shared between two different atoms
O a large chain of carbons and hydrogens bonded together
D, a large chain of carbons and hydrogens bonded together.
Hydrocarbon found naturally is mostly in crude oil that has an abundance of carbon and hydrogen. When they bond, their chains can be essentially limitless.
Hydrocarbon is a large chain of carbons and hydrogens bonded together.
WHAT IS AN HYDROCARBON:
Hydrocarbon is an organic compound made up of atoms of carbon and hydrogen elements in a long chain. As the name implies "hydrocarbon" is composed of hydro meaning hydrogen and carbon.Examples of hydrocarbon include alkane, alkene, alkyne, alcohols etc. Hydrocarbons can either be aliphatic or aromatic i.e. based on benzene ring structure
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Nami conducts an investigation on plants. She places a grow light on a timer to give the plants different amounts of light to see if this would affect their growth. Which term describes the amount of light in this investigation? hypothesis control dependent variable independent variable
Answer:
independent variable
Explanation:
Independent variable: In psychological experiment, the term "independent variable" is described as a specific variable that is being controlled, altered, or manipulated by an experimenter or researcher or investigator to see its effects on the dependent variable. Independent variable has a direct effect on the dependent variable, so any changes in the independent variable will effect the dependent variable directly.
In the question above, the amount of light in this investigation is an independent variable.
Answer:
independent variables
Explanation:
i said so :)
Which will have the greatest impact on the effects of disease in a population?
Answer:
Nutrition is the answer bcz without nutrition the diseases will effect more in a population
John observed that left over pineapple kept at 15 oC in the refrigerator tastes sweater than pineapple consumed just after being peeled (at room temperature). He thinks that this occurs because of an enzyme which acts at the lower temperature to hydrolyze the stored sucrose to glucose and sucrose
Answer:
No, John is wrong.
Explanation:
Pineapples are one of the popular fruits among people and people eat pineapple when they are ripen. It tastes sweet and juicy. But unlike most of the other fruits, pineapple does not ripe once it is plucked. It tastes very sweet when it is properly ripen.
In the context, John kept the left over pineapple in the fridge at about 15 degree Celsius and he found that the pineapple tastes sweeter the, This is because the sugary juices from the parts that is ripen trickles and spreads to all the parts of the fruit. So it tastes sweeter. It is not because of any enzymes.
Which substance needed for photosynthesis is absorbed from the soil?
ОА.
water
OB. sunlight
OC.
carbon dioxide
OD.
oxygen
Answer:
A. Water
Explanation:
Sunlight is absorbed from above through the leaves
Carbon dioxide is absorbed from the air by the leaves
Oxygen is a byproduct of photosynthesis and is released by the plant from the leaves back into the environment.
A patient has been eating healthy foods but his digestive system is not doing what it usually does can this patient still exercise normally
Answer:
no
Explanation:
because you've never been able to
hey man sry if its wrong tbe question is almost weird to ask but yeah sry
Modeling therapy involves mimicking productive ways to solve problems after observing another model a specific behavior. Please select the best answer from the choices provided T F
Answer:
True
Explanation:
trust me bro
Modeling therapy is a strategy that is centered on the client imitating other models while paying attention to and watching them, typically, this type doesn't need vocal instructions.
What is Modeling therapy?
This process aids in problem-solving by examining the workings and values and then imitating them, as a result, the assertion is accurate.
A tangible model is what we refer to as a symbolic model for learning, many human actions may be learned and imitated via observation.
Modeling therapy entails imitating helpful strategies for solving issues after witnessing another person exhibit a certain behavior.
Therefore, the method used in behavior therapy and cognitive behavior therapy in which learning happens only via observation and imitation, with no feedback or encouragement from the therapist.
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How is agrovoltaics different from floatovoltaics? How are they similar?
Answer:
The differences are;
1) Agrovoltaics is the development of a piece of land for use in agriculture and electricity generation by photovoltaic panels
Flotovoltaic is the development of water bodies for the generation of solar power by mounting solar on platforms placed over a water body rather than on land
2) With agrovoltaics, solar power, breeding of livestock, and crop production can take place on the the same land which increases profitability and reduces the cost of electricity production by solar energy
3) The efficiency of the generation of power from solar energy on the agrovoltaic system is lower than the efficiency of solar power generation through the agrovoltaic system
The similarities are;
1) Both systems seek to maximize the use of space for solar power generation
2) The source of power generation is solar power in both systems
3) Both systems make use of solar panels for the generation of electricity
Explanation:
What is the correct answer?
Answer:
constant speed is the correct answer .
Answer:
Constant speed.
Explanation:
This is because based on the graph, the distance over time increases steadily as a straight line so its speed does not increase nor decrease in acceleration.
What part of the Earth is it warm?
Equator
Poles
Answer: Equator
Explanation:
There was a nearly intact fossil of a hadrosaur called Dakota. How did this find change our knowledge of the hadrosaur? List three specific ways.
Answer: Environment, skin coating, and perhaps seasonal migration.
Explanation: The hadrosaur has become an unmistakable species due to its unusual bill, and bipedal legs. However this new fossil could change many studies. First off, environmental hazards. Due to the amount of carnivorous fossils found in the Dakota area, finding a nearly intact fossil of any sort should be quite impossible. This brings paleontologists to believe hadrosaurs may have had some sort of defense against predators, which brings us to skin coating. To be found in such an arctic area must have meant it would be difficult for anything herbivorous to live in the area, unless feathers, or fur was involved. This could change every theory about the so called scaly beasts we refer to as dinosaurs. This brings us to our final topic, migration. Every winter if you were to go outside, it would be highly unlikely to hear birds. This is known as migration, a period when certain animals of multiple species, typically birds, move to warmer areas for the winter. Consider if the birds descending from dinosaurs theory was correct. This could in fact be how birds somehow get this preconceived notion to migrate. This, just as wild dogs are naturally aggressive, could be instinct.
A nonnative species of ant is introduced into a woodland ecosystem. Which situation would most likely stop the species from becoming invasive?
Answer:
Having a natural predator would most likely stop the species from becoming invasive
Explanation:
This is because the natural predator uses it and makes it dormat.