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Gala2k [10]
4 years ago
8

Explain how sick cell anemia occurs and how amniocentesis is used by pediatricians. PLEASE ANSWER AS SOON AS POSSIBLE!!!

Biology
1 answer:
IrinaVladis [17]4 years ago
4 0
Sickle cell anemia occurs when it is passed down from the parents. It is a look diese. It is caused by when 2 parents inherit 2 abnormal genes. It's when the blood cells change shape. Pediatrics use amniocentesis to see if the baby has missing chromosomes hat cause Down syndrome in early pregnancy
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Over millions of years, what type of fuel forms from the dead organisms acted on by temperature and pressure of the earth?
MrRissso [65]

Answer: coal

Explanation: coal is formed when layers of peat are compressed by the layers of rocks above.

7 0
3 years ago
Scientists calculated the net primary productivity at two different forest sites. Both forests have the same gross primary produ
Katen [24]

Answer:

The answer is C.

Explanation:

Net Primary Productivity is a term that is used to express the difference between CO2 that is taken in by the plant with photosynthesis minus CO2 that the plant releases.

The two forest sites given in the example may not have the same biodiversity and the same species of plants so we can't be sure of option B.

Again for the same reasons, we can't be sure of option D because we do not know the specific plant species in each forest since they are in different areas.

Option A can be ruled out for the same reasons, the lack of information about the forest sites, since we do not know the death rate of the plants in either of the forests.

Option C can be true because forest A has a higher net primary productivity rate which can be an indication of lower respiratory activity hence lower CO2 production, resulting in the given higher net primary productivity.

I hope this answer helps.

4 0
4 years ago
HELP ASAP WILL MARK BRIANLIEST!!! What are the differences between global and local winds?
KatRina [158]

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3 0
4 years ago
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Answer:

A

Explanation:

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7 0
3 years ago
I need to come up with 5 Questions about eukaryotic and prokaryotic cells
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I think it will help you.

3 0
2 years ago
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