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
zheka24 [161]
3 years ago
11

Explain how oxygen in the atmosphere is responsible for the formation of other elements.

Biology
1 answer:
Phantasy [73]3 years ago
8 0

Answer:

Oxygen is essential to enabling many of the Earths life forms to survive -- without access to oxygen, humans cant live for more than a few minutes. The air that enters human lungs contains about 21 percent oxygen. The process responsible for producing most of the Earths oxygen is known as photosynthesis. In this process, plants and certain other organisms convert sunlight into oxygen and other products.

Explanation:

You might be interested in
HELP ME PLEASE............ 20 PTS VIEW ATTACHED
kolbaska11 [484]

Answer:

the answer is i need some points for my test

Explanation:

its I need some points for my test because i said so

6 0
3 years ago
3) What did Chargaff's work tell us<br> about the bases of DNA (A,T,C,G)?
kirill115 [55]
A,T,C,G
T,A,G,C

A=T
C=G
4 0
3 years ago
B cells are responsible for cell mediated immunity.<br> A. True<br> B. False
kobusy [5.1K]

Answer:

True

Explanation:

B cells are involved in the humoral immune response and T cells are involved in the cell-mediated immune response. Class 1 MHC molecules are found on all uncleared cells and class 2 MHC molecules are found on macrophages, B cells, and activated T cells.

4 0
3 years ago
In the 20th century where did the most ecologically destructive oil spill in the US
Alekssandra [29.7K]
Oil spills have been one of the most common forms of ecological destruction of marine life, most especially the coral reef systems. The presence of oil in the water surface would block sunlight and oxygen supply to the marine animals. Among the most destructive forms of oil spill as of recent date was the incident that happened in the Prince William Sound.
4 0
3 years ago
Read 2 more answers
In his 1859 book On The Origin of Species, Charles Darwin discusses the theory of evolution and his model of natural selection.
LiRa [457]

Answer: fossils provide evidence of the past that shows how species of changed over time.

Explanation:

My teacher said it

3 0
3 years ago
Other questions:
  • Ll<br>The Yellowstone River ecosystem can support 2,300 bald eagles. This is an example of<br>​
    9·1 answer
  • If you are good with science please help me!!! 15p
    11·1 answer
  • How were townships divided under the Ordinance of 1785?
    11·1 answer
  • Erythropoietin is a hormone that stimulates production of red blood cells (RBCs) in bone marrow. This hormone is secreted by whi
    6·1 answer
  • When ATP breaks off the third phosphate group, it is converted into __________.
    14·2 answers
  • Which of these processes in an example of hydrolysis
    14·1 answer
  • Compare and contrast the process of digestion in cindarians and echinoderms
    10·1 answer
  • Volcanoes can form at a mid-ocean ridge, which occurs where?
    5·1 answer
  • What gases are present on Earth as it finished forming?
    7·1 answer
  • Which set of facts is true for the lymphatic system?
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!