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sp2606 [1]
2 years ago
5

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

Biology
1 answer:
harina [27]2 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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Samuel ate some vegetable soup. What process is at work to allow Samuel to break down the soup so that his body will be
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Samuel ate some vegetable soup. <u>Digestion</u> process is at work to allow Samuel to break down the soup so that his body will be  able to produce energy.

<u>Option: D</u>

<u>Explanation:</u>

There are majorly four steps in food processing in human body, these are ingestion, digestion, absorption and elimination. There are six major phases covered by digestion: ingestion, acceleration, mechanical or physical digestion, chemical digestion, absorption and defecation. The first of these procedures, ingestion, relates to the absorption of food via the mouth into the food canal.

Digestive system allow the transformation of massive insoluble food molecules into small water-soluble food components to dissolve them into the watery plasma of the blood. Many smaller particles are ingested into the bloodstream in certain species through the small intestine.

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3 years ago
Fresh water found in soil and rock layers below Earth’s surface is called deep water. Please select the best answer from the cho
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The best answer is; False

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3 years ago
A pea plant with round seeds (RR) is crossbred with another pea plant with wrinkled seeds (rr). What is the probability of produ
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100 percent because all the possibilities are Rr
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hodyreva [135]
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7 0
3 years ago
1. What was the independent variable in this lab? *
Lelechka [254]
I can’t give you a specific answer because I’m not sure what your lab is. However, an independent variable is the variable that is changed, the dependent variable is the variable that is affected by the change, and the constant variables are those which remain the same throughout the entire experiment.
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