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
A rodent hibernates to escape the long, cold winter months of this biome. Which biome does the rodent live in?
egoroff_w [7]
C. Coniferous Forest
7 0
3 years ago
Read 2 more answers
Viruses and bacteria are both microscopic and can both cause disease. viruses differ from bacteria in that all viruses *
Semenov [28]
C.) viruses need a living host to reproduce... this is cause by viruses being Dioxyriboneuclicacid(DNA) surrounded by a protien shell so viruses are not alive per say.... but they get into cells and use living cells to reproduce
7 0
3 years ago
Read 2 more answers
In an ecosystem, energy from the Sun is transferred by way of _____.
Lorico [155]

Answer: food chains or webs

In an ecosystem, energy from the sun is transferred by the way of food chains or webs. A food chain is a linear sequence of organisms through which food and energy is passed as one organism eats the another. A food web is the interconnection or relation of food chains. In a food chain energy is distributed among the trophic levels. Plants are primary producers which traps energy from sun for photosynthesis and belong to first trophic level in the food chain. The energy of sun present in plants is transferred to subsequent higher trophic levels when plants are consumed by other organisms.


4 0
3 years ago
Read 2 more answers
What is pseudopodia?​
vlabodo [156]

Answer:

Pseudopodia are temporary and cytoplasm-filled parts of the cell membrane that are able to change their form in order to move.

Explanation:

Pseudopodia are temporary and cytoplasm-filled parts of the cell membrane that are able to change their form in order to move. They are used in some eukaryotic cells to move around or to eat. Most cells that do this are called amoeboids. The amoeba is a common example. ... Pseudopods can also capture prey by phagocytosis.

6 0
3 years ago
PLEASE HELP
juin [17]

Answer:

I think it is C

7 0
3 years ago
Read 2 more answers
Other questions:
  • A __________ is the juvenile form of a coral polyp.
    13·2 answers
  • What group do organisms that can photosynthesize fall under?
    7·1 answer
  • Congress passed the Marine Mammal Protection Act in 1972 based on scientific data. What information could have been scientific j
    13·2 answers
  • Lil billy ate 600 cookies in under 44726762755427475452 seconds . How many hours did this take?
    14·2 answers
  • Scientists typically amplify multiple str fragments from an individual in a single pcr. explain how they are able to do that.
    12·1 answer
  • 1 What is the structure<br> enters and leaves<br> that regulates what<br> the cell ?
    5·1 answer
  • Your biceps muscle is attached with tendons to the top of your humerus and to the end of your radius, near your elbow. What woul
    14·1 answer
  • This is a simple sugar that provides energy to organisms.
    10·1 answer
  • Can you do this for me - correct answer gets brainliest!
    12·1 answer
  • Dr. Vial has a vile weapon (note the play on words) that destroys plasma membranes.
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!