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Reika [66]
3 years ago
11

Please Please Please Help Me With This Science Sheet!!!!!!!

Biology
1 answer:
weeeeeb [17]3 years ago
7 0

1. No the Earth does not benefit from the greenhouse effect. The greenhouse effect causes the Earth to get warmer. With the Earth's heat increasing the ice glaciers are melting causing our oceans to rise.

2. Living plants uses some of carbon dioxide through the process of photosynthesis. Burning them only causes the carbon dioxide level to rise.

3.Recycling helps reduce greenhouse emission from landfills. 

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The type of b cell which remains in the body after an invasion is over is called a
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memory cells

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to fight the reoccurrence of the invasion

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3 years ago
A normal man and normal woman marry. What is the chance that they will produce a male child with Down's syndrome?
nikitadnepr [17]

Answer:

The chance of a normal couple having a child with down syndrome is 1 to 600 births.

Explanation:

Down syndrome is a genetic flaw that occurs when the fetus is being formed.

A human cell considered normal has 46 chromosomes, divided into 23 pairs. For some unknown reason, an error may occur at the beginning of embryonic development and an extra chromosome is created, which binds to par 21. The result is cells with 47 chromosomes. This causes the said syndrome.

It is important to know that this failure happens at random. It is nobody's responsibility. It has not been proven to date that lifestyle, actions during pregnancy, smoking, drinking, medicines, environmental factors or kinship between the couple can influence this occurrence. She is not contagious either. The likelihood of a normal couple having a child with the syndrome is approximately 1 to 600 births.

8 0
3 years ago
. The weight of the air pushing down on us is called
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The weight of the air that pushes down on us is air pressure, and air pressure changes depending on where you are.

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3 years ago
Provide a specific example of photosynthesis and cellular respiration working together.
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