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zhenek [66]
2 years ago
5

The hormone calcitonin is produced by the __________ cells of the thyroid.

Biology
1 answer:
Orlov [11]2 years ago
5 0
The answer is the parafollicular cells :)
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Census data show that the human population doubled from 2.65 billion in 1953 to 5.3 billion in 1990. If it continues to double a
madam [21]

The question is incomplete, the complete question is;

Census data show that the human population

doubled from 2.65 billion in 1953 to 5.3 billion

in 1990. If it continues to double at this rate,

the human population could reach 10 billion

by the year 2020. Which BEST explains how

this rate of human growth can harm the

environment on which humans depend?

A. by gradually making up more available energy

B. by using resources faster than they can be

replaced

C. by changing how matter cycles through an

ecosystem

D. by increasing the variety of ecosystems that are

Answer:

by using resources faster than they can be

replaced

Explanation:

As population of the world continues to grow, there is greater demands for resources which are obtained from the environment such as crude oil for energy, solid minerals for various applications, wood for furniture etc.

Demand for these materials increase exponentially as population increases thus they are extracted at a faster rate than nature can replace them. This will eventually harm the environment on which humans depend as population increases.

7 0
2 years ago
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If you sustain an injury to the shoulder joint (infraspinatus muscle) how would it affect the movement of the shoulder?
maks197457 [2]

There are so many examples for that in different areas, like Perylene experiment carried out in our lab recently.Here's one link: http://www.alfa-chemistry.com/perylene-cas-198-55-0-item-282870.htm

4 0
3 years ago
which organelle should be listed under "both" in the diagram plants and animals ? A. Centriule B. Mitochondrion C. Chloroplast D
Tresset [83]
B. Mitochondrion. Centriole is unique to animal cells and is used in cell division. Chloroplast and Cell wall are unique to plants cells, together with permanent vacuole. Both have mitochondrion, where energy is released through respiration.
3 0
2 years ago
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Free energy in the cell creates disorder. Cells harness free energy to drive unfavorable reactions by using Activated Carrier Mo
Tcecarenko [31]

Answer:

G

Explanation:

NADPH (Nicotinamide Adenine Dinucleotide Phosphate) and ATP (Adenosine Triphosphate) are forms in which energy is stored in metabolic reactions

5 0
3 years ago
Why is global warming happening?
marishachu [46]

Answer: Global warming is happening because the greenhouse gases are becoming more thicker which makes more of the suns radiation (heat) stay in the earth; as a result, this is increasing the earth's temperature.

The subject is geography :)

Explanation:

5 0
2 years ago
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