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sp2606 [1]
3 years ago
5

What are population pyramids? How do they help in understanding about the population of a country? (​

Biology
1 answer:
harina [27]3 years ago
6 0

Answer:

Did this help?

Explanation:

Population pyramid is the graphical presentation of the age, sex composition of a population. (2) The shape of the population pyramid help us to know about the people living in that particular country.

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Typical United States weather patterns show the continental polar air mass moving south toward the Gulf of Mexico. Why does this
Reptile [31]
The correct answer is letter (<span>C) The polar air mass moves south to replace the rising maritime tropical air mass.</span> These air masses are bringing cold air to warmer areas most especially during the winter and cool. These air masses are stable and usually does not form much cloud. While the Continental Polar air move down south, across the warmer land, the lower part of the air mass is modified and thus few clouds are formed.
3 0
3 years ago
Which of the following is one of the ways that cellular respiration and
Bond [772]

Answer:

•Photosynthesis removes carbon dioxide from the atmosphere, and cellular respiration  puts it back.

Explanation:

Photosynthesis:

It is the process in which in the presence of sun light and chlorophyll by using carbon dioxide and water plants produce the oxygen and glucose.

Carbon dioxide + water + energy →   glucose + oxygen

water is supplied through the roots, carbon dioxide collected through stomata and sun light is capture  by chloroplast.

Cellular respiration:

It is the breakdown of glucose molecule in the presence of oxygen to yield large amount of energy. Water and carbon dioxide are also produced as a byproduct.

Glucose + oxygen → carbon dioxide + water + 38ATP

In this way it release the carbon dioxide back into atmosphere.

8 0
3 years ago
The densities of the Jovian planets are _____.
castortr0y [4]
My Answer: <span> lower than terrestrial planet densities, lower than the density of rock.

Hope I helped!  :D

</span>
6 0
3 years ago
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Think about a bush in your back yard. Is it alive according to the characteristics of life? Why or why not?
ExtremeBDS [4]
Yes, plants are absolutely alive. They may not be conscious, sentiment beings, but they still perform cellular respiration, make waste products, and generate biomass (get bigger).

Hope this helps.

7 0
3 years ago
science and technology has developed cleaner fuels such as EA - 85 fuel what is a positive impact that the new fuel may have on
pychu [463]
The answer is <span>fuel with less emissions because it would help to reduce the pollution in the atmosphere.</span>
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