1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
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.

You might be interested in
What are the most common health problems of mexicans and central americans and their descendants living in the united states? ho
const2013 [10]
Ask your dad to halo you
3 0
2 years ago
What determines how strong your body odor might be?
Fantom [35]

Answer:The nutrients your gland provides for the microbial populations.

Explanation:

3 0
3 years ago
The Physical Activity Guidelines for Americans, released in 2008, advise a minimum of minutes per week of moderate-intensity phy
ExtremeBDS [4]

Answer:

The correct answer is - d. 150.

Explanation:

According to the advice given by The Physical Activity Guidelines for Americans, released in 2008, To maintain substantial health benefits for public health and welfare.

The advice that for healthy adults, adults should workout for 150 minutes or hours and 30 minutes over a period of a week of moderate-intensity. For a vigorous-intensity aerobic physical activity, one should 75 minutes for a week.

6 0
3 years ago
A 12-year-old male is brought to his primary care physician. His parents are concerned with his recent decline in school work du
Licemer1 [7]

Answer:

B. ApoA

Explanation:

Apolipoprotein A is a protein carried in HDL ("good") cholesterol. It helps start the process for HDL to remove bad types of cholesterol from your body. In this way, apolipoprotein A can help to lower your risk for cardiovascular disease.

Therefore, loss in ApoA will result in increased "bad" cholesterol since HDL process is not started, this will result in symptoms such as blurred vision

8 0
3 years ago
Plz anyone talks to me im bored at home..<br>​
olchik [2.2K]

Answer:

hey whats up

Explanation:

4 0
4 years ago
Read 2 more answers
Other questions:
  • 2 plus 3 is 5 then what is 5 plus 20
    13·2 answers
  • Which body part or system do substances applied to your skin enter before moving to other parts of the body?
    9·2 answers
  • 31,450 is 70% of what number
    10·1 answer
  • Are SA citizens vaccinated against yellow fever ?????
    13·1 answer
  • Give at least one example of a regulatory sign.
    9·1 answer
  • Why is it important to be physically active? A.Physical activity is connected to obesity. B.Physical activity is connected to sl
    8·2 answers
  • Pleas help me! I need to know fast
    8·2 answers
  • Who has adopt me?<br> I want pets but I don't have :(
    13·2 answers
  • Demonstrate appropriate principles of cardiopulmonary resuscitation.
    8·1 answer
  • describe at least 3 causes to peripheral neuropathy and explain what people can do in order to avoid getting this disorder​
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!