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
Tomtit [17]
3 years ago
12

What is 99.9 percent of the air we breathe?

Biology
2 answers:
saw5 [17]3 years ago
8 0
I believe most of what we breathe is nitrogen and oxygen. There are small amounts of other gases as well, but the air we breathe is primarily made up of oxygen and nitrogen.
MrMuchimi3 years ago
3 0
Oxygen i think
hope this helps
You might be interested in
Why might is be useful for climatologists to group areas with similar cimate zones? (Written response question)
spin [16.1K]
This might be useful cause it’s useful and it’s also useful and I hope this is useful you’re welcome for being useful :)
3 0
2 years ago
Which of the following bones make(s) contact with some of the ribs?
jenyasd209 [6]
D


The scapula makes contact with the bone


Brainliest please
6 0
2 years ago
Read 2 more answers
Choose the correct order of classifying organisms in the Linnaean system. kingdom→phylum→ class→ order→ genus→ family → species
Pani-rosa [81]
<span>The correct way to classify organisms is as follows :Kingdom, such as Eukaryote, Phylum such as Animalia, Phylum such as Chordata, class, order, genus and family are mostly used for classification purposes in taxonomy and species, such as Oreochromis mossambicus, which is the mozambique tilapia.</span>
7 0
2 years ago
This earth system is concerned with all life on the planet
Nutka1998 [239]

Answer:

The Biosphere

Explanation:

The biosphere is made up of all living organisms and is inextricably linked to the other three spheres: most live organisms need gases from the atmosphere, water from the hydrosphere, and nutrients and minerals from the geosphere.

6 0
2 years ago
Read 2 more answers
Simply square root of 18​
Darina [25.2K]

Answer:

4.2

Explanation:

7 0
3 years ago
Read 2 more answers
Other questions:
  • How much ATP could be obtained from the complete oxidation of one molecule of glucose?
    11·1 answer
  • What has occurred?
    10·1 answer
  • A fake or "pretend" experimental treatment is called a
    15·1 answer
  • Suggest why microorganisms such as fungi might produce antibiotics?
    11·1 answer
  • whitch of the following is not likely to be a fossil A. a piece of bone. B.a tooth C.a footprint D.a rock​
    5·2 answers
  • What will be the frequency of the recessive allele in a population of 100 elephants if
    15·1 answer
  • Which two organisms above belong to the same kingdom? <br><br> bird, green plant, shark, mushroom
    15·2 answers
  • ________ process by which carbon dioxide and other gases in the atmosphere
    13·1 answer
  • Clasificación bacteriana​
    12·1 answer
  • List how the bases of DNA are paired.​
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!