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Dmitry [639]
2 years ago
11

Which gas is the most abundant in Earth's atmosphere?

Biology
2 answers:
KIM [24]2 years ago
5 0
Answer: Nitrogen

It takes up about 78% of the mass of dry air.
spayn [35]2 years ago
4 0

Answer:

Nitrogen

Explanation:

nitrogen, which accounts for about 78% of the mass of dry

thoughtco.com

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A goox conductor of heat is
Leokris [45]

Answer:

The answer is B

Explanation:

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Which statement is true about friction?
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I believe that it would be that mass and texture affect the amount of friction. Hope this helps!
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The thoracic cavity contains the ________. it is found ________ to the vertebral cavity. the thoracic cavity contains the ______
Leya [2.2K]

The given question is incorrect. The correct question is:

Question: The thoracic cavity contains the ________. it is found ________ to the vertebral cavity.

a) digestive viscera: inferior

b) kidneys and spleen: deep

c) stomach and liver: superficial

d) heart and lungs: anterior

Answer:

d) heart and lungs: anterior

Explanation:

The thoracic cavity is one of the major body cavities. The thoracic cavity is also called the chest cavity. It is formed by the ribs, the chest muscles, the sternum (breastbone), and the thoracic portion of the vertebral column. It is present in the anterior to the cavity formed by the spine to house the spinal cord. The pericardial cavity is the fluid-filled space of the thoracic cavity present around the heart. The thoracic cavity also has two pleural cavities to house the lungs.

6 0
3 years ago
Read 2 more answers
What does the graph show the importance of clean air?
natulia [17]

Answer:

C. Most people will die from negative health effects associated with stroke as indoor dirty air builds up.

Explanation:

<u>C is correct option</u> because it shows the highest proportion of people's death caused by stroke. On the other options are not correct due to the following reasons:

A is incorrect because it says that people have a lower risk of dying from COPD. On the other hand, the graph shows that this is 3rd most abundant cause of deaths.

B is incorrect because deaths due to lung cancer are the lowest according to the graphical illustration.

D is incorrect because the proportion of developing acute lower respiratory infection and ischemic heart disease are not the same. Deaths due to ischemic heart disease are higher than the acute lower respiratory infection.

4 0
3 years ago
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help before you could get 100 points but people here only want points and won't help so ill give 30 points
Delvig [45]
It’s blank what’s the question?
5 0
2 years ago
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