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Pie
3 years ago
14

For human survival, approximately what percentage of air must be oxygen?

Health
2 answers:
irinina [24]3 years ago
8 0
20.9 around 78 percent nitrogen only 20.9 for oxygen
brilliants [131]3 years ago
5 0

Answer:

20.9 percent

Around 78% of the air is nitrogen gas, and only 20.9% is oxygen.

Explanation:

20.9 percent

Around 78% of the air is nitrogen gas, and only 20.9% is oxygen.

Hope this helps.

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"According to the NIH, in general, informed consent should be a process rather than a one-time event."
sashaice [31]

Answer:

The correct answer to the following question will be "True".

Explanation:

  • NIH (National Institutes of Health) is the world's largest public funding agency for biomedical research, investing more than $30 billion in taxpayer money to accomplish its mission of improving health, prolonging life, and reducing disease and disability.
  • By fulfilling this goal, NIH promotes health by encouraging prevention and treatment, contributes to society through increased economic development and efficiency, and extends the knowledge base of bio-medicine by supporting cutting-edge science and nurturing today's and tomorrow's biomedical labor force.

Therefore, the given statement is True.

6 0
4 years ago
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A mood disorder is characterized by an inability to recall important information, usually traumatic or stressful in nature, that
nignag [31]
I believe that is false.
6 0
3 years ago
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Explain the characteristics of earth​
Sever21 [200]
Earth is approximately spherical in shape like all planets and stars. Earth is composed mostly of rock. Three-fourths of its surface is covered by a relatively thin layer of water (some of it frozen), and the entire planet is surrounded by a relatively thin blanket of air.
3 0
3 years ago
22%of 2 is what and explain​
Furkat [3]

Answer:

\Large \boxed{\sf \ \ 0.44 \ \ }

Explanation:

Hello,

Let's compute it.

22\%\cdot 2 = \dfrac{22}{100}\cdot 2=\dfrac{22\cdot2}{100}=\dfrac{44}{100}=\dfrac{4*11}{4*25}=\dfrac{11}{25}=0.44

Hope this helps.

Do not hesitate if you need further explanation.

Thank you

3 0
4 years ago
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Honore receives psychological testing. Although her intelligence falls in the low average range, a discrepancy is still identifi
kap26 [50]

Answer: B. "Specific learning disorder"

Explanation:

A specific learning disorder is a type of disorder which is different from  intellectual development disorder. This disorder affects a child’s ability to acquire knowledge and intelligence.

Children's with this disorder have at least average intelligence and have difficulty in acquiring the academic skills as expected with the age.

A child may face impairment in decoding words and understanding the meaning of spelling or what he/she is reading, doing calculations, and mathematical reasoning which affects the achievments of the children.

Hence, the correct anser is B. "Specific learning disorder"

7 0
3 years ago
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