please help!!!!!!!!!!!!

Answer:

It would be B

Explanation:

I am sorry if it is wrong

"What is the frequency of wave?" is not a question that she can ask. Thus, the correct option is B.

Wave frequency is the number of waves which pass through a fixed point in a given amount of time. The SI unit for wave frequency is the hertz (Hz). One hertz (Hz) equals 1 wave passing a fixed point in the time period of 1 second. A higher-frequency wave has more energy than a lower-frequency wave with the same magnitude of amplitude.

The equation used for determination of wave frequency (f) will be:

f = v/λ

where λ is the wavelength in meters and v is the speed of the wave in m/s.

Therefore, the correct option is B.

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Answer:

1. C) Cat

2. D) 47 degrees C

3. B) Cat

Answer:

Carbon is an essential factor to the survival of living things.

Explanation:

It is produced as a waste by-product of metabolism in living organisms and combines with oxygen to be released as Carbon Dioxide (CO2).

Plants on the other hand require CO2 to process sunlight and nutrients into energy. They in return release oxygen which is required by animals to break down food.

Factories, businesses, people (as they generate electricity, transport people and goods, etc) release lots of carbon into the atmosphere it also combines with oxygen again to form C02.

The ocean and water bodies also serve as a collecting conduit of CO2, especially where the water temperature is relatively warm. When CO2 is captured by the ocean, it is used by some sea animals to make shells.

Cheers

Answer:

The work of Thomas Malthus help and influence Darwin Thomas to refine his theory of natural selection by explaining that there is a meaningful competition between the individuals of a particular species or population for a specific resource such as food or shelter.

Thomas Malthus predicted that the human population is reproducing faster than its death race and will lead to growing faster than space and food supplies needed to sustain it. Darwin concluded further that If all offspring of almost any species survived for several generations, they would overrun the world and therefore a healthy and meaningful competition is present and to overcome this natural selection takes place as the individual adapt will ultimately survive.

When asexual organisms evolve, they typically do so very quickly after a sudden mutation and do not require multiple generations to accumulate adaptations as do sexually reproducing populations.

Answer:

I'm really sorry but I don't know the answer

Explanation:

I think its D...

It seems like active transport

Answer:

Date and latitude interact to determine photoperiod, the daily period of daylight. This interaction has important implications for latitudinal migrants for whom daylight may be a resource or for whom photoperiod regulates annual transitions in life‐history stages (i.e. birds).

Using an established formula, we developed user‐interactive, animated models that enable the visualization of how latitude and date determine photoperiod for latitudinal migrants. We also calculated the photoperiodic schedules for a broad range of hypothetical migratory programmes and real migratory programmes newly available through the proliferation of citizen‐science data. This enabled us to infer the limitations some migratory programmes place on mechanisms for photoperiodic regulation of annual breeding.

In the vast majority of cases, the act of migrating elevates annual daylight exposure. This raises the hypothesis that daylight availability selects for latitudinal migration, potentially contributing to its evolution in animals such as diurnal birds with limited time during the spring and summer to feed young. However, photoperiodic mechanisms regulating annual cycles could constrain the evolution of such migrations, depending on how they affect photoperiodic schedules. Most migratory programmes are consistent with known mechanisms of avian photoperiodism, but the range of feasible mechanisms declines for transequatorial migrants, which experience semi‐annual, 180°‐phase‐shifts in their photoperiodic cycles.

Understanding photoperiodic constraints on migration are particularly important in this age of changing latitudinal distributions and phenologies driven by climate change.

Hope this helps and have a great day!!! :D

Answer:

What effect do human activities have on natural resources?

Humans impact the physical environment in many ways: overpopulation, pollution, burning fossil fuels, and deforestation. Changes like these have triggered climate change, soil erosion, poor air quality, and undrinkable water.

this is somewhat similar

Answer: b

Explanation:

mechanical, kinetic, potential, gravitational, thermal, chemical, electrical, light, radiant, sound, and nuclear.

Answer:

it is 300kj

Explanation:

The energy that will be acquired by the cheetah when it consumes the zebra is 30,000 kJ.

The law of conservation of energy states that energy can neither be created nor destroyed but can be transformed from one form to another.

The energy of the grass will be transferred to the zebra when the zebra consumes the grass. Also the total energy of the zebra will be transferred to the cheetah when it consumes the zebra.

Thus, the energy that will be acquired by the cheetah when it consumes the zebra is 30,000 kJ.

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Answer:

Desert

Explanation:

Savannahs don't have cacti, and tundras tend to be snowy, cold places.

Answer:

A. Obligate

Explanation:

An obligate relationship is one where both organisms are interdependent with one another in a way that one cannot survive without the other.

A parasitic relationship is where one organism benefits, and the other is harmed.

A mutualistic relationship is one where both organisms "work together," therefore benefiting one another.

A facultative relationship is where both species benefit off of one another, but are not fully dependent on one another to the point they cannot survive without their symbotic partner.

Answer:

Active transport.

Explanation:

The kidney uses active transport  to move these substances from the nephron to the  renal vein because these substances did not moves from the nephron bowl to the renal vein through simple diffusion so for this purpose active transport is used in which energy is spent in order to move the substances from one region to another so we can say that kidney must use active transport to move reabsorbed substances from the nephron to the  renal vein.

Answer:

Explanation:

Contraction of a disease by the environment, the environment is said to influence something certain traits either by amplifying them or prevent them from being expressed. Some disease tends to strive in environment that is favorable while some disease don't find expression where the environment is not conducive even though they are presents in the gene of the individual. Environment could include family, area where the individual lives, food, peer

While Contraction of disease that are heredity/genetic and having pathogenic pathways is high this is because any disease that is hereditary can be passed to successive generation through the inheritance of such gene from the parents this increase the likelihood of reoccurrence of such disease in a family where the parents has it.

Answer:

If the insulating material covered around the can.

Explanation:

If the can is covered with thick layer of insulating material then it can't be attracted by the magnet because there is a gap between magnet and metal. Can is a metal which is attracted by the magnets just like iron and copper etc. If there is no insulating material between magnet and can, then it must be attracted by the magnet so that's why we can say that insulating material is responsible for the no attachment of magnet to the can.

Answer: I'm gonna say the answer is Mutualism.

Answer:

quantitative data

"quantitative" refers to the amount of something, so if it has something to do with numbers, It's quantitative.

There were twelve elephants in the clearing, which is quantitative data, while the pulse rate of 141 beats per minute is also quantitative data, but the orange fur with black stripes is qualitative data.

There are both types of data, such as the quantitative data, in which the quantity can be measured, such as the 12 elephants and the 141 beats, and the qualitative data, which can't be measured but is widely seen in the genetics, such as the coat color of the animals, the skin color of the human, etc.

Hence, there were twelve elephants in the clearing, which is quantitative data, while the pulse rate of 141 beats per minute is also quantitative data, but the orange fur with black stripes is qualitative data.

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The question is incomplete, the complete question is the below.

There were twelve elephants in the clearing.

a pulse rate of 141 beats per minute

orange fur with black stripes

✔

DONE

I think local winds is like somewhere where it is usually windy with high pressures. For example see breezes, land breezes, and etc.

Hope this helps!

Answer:

try b

Explanation:

Answer:

Amino Acid

Explanation:

Glutamine and Phenylalanine are both Amino Acids