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
DIA [1.3K]
3 years ago
15

How did oxygen first enter Earth's atmosphere?

Chemistry
1 answer:
forsale [732]3 years ago
8 0

Answer:

I think c biological processes

You might be interested in
Please help!!!
Strike441 [17]

Answer:

The above reaction is an example of <u>alcoholic fermentation</u>.

Explanation:

In alcoholic fermentation, one mole of glucose gets converted into two moles of alcohol, two moles of carbon dioxide and two moles of adenosine tri-phosphate (ATP).

5 0
3 years ago
1. The force that pulls the atmosphere toward Earth
Gre4nikov [31]

Answer:

Gravity :)

Explanation:

8 0
2 years ago
In performing the "STEP TEST" for 3 minutes, what was your score (your count)? *
MAXImum [283]

Answer:

81

Explanation:

8 0
3 years ago
Read 2 more answers
What are the first 2 elements?
Zepler [3.9K]
Hydrogen and Helium are the first 2 elements
4 0
3 years ago
Read 2 more answers
Is it possible for two parents displaying a dominant trait to have a child displaying that recessive trait? A. Yes, they always
Kryger [21]
I think the answer is D. Hope it help!
4 0
3 years ago
Read 2 more answers
Other questions:
  • How many isomers with a molecular formula of c6h10 contain an internal alkyne?
    9·1 answer
  • Which is a chemical change?
    15·1 answer
  • Convert 45.2 g to lbs
    12·1 answer
  • A solution at 25 degrees Celslus 1.0*10^ -5 MH 3 O^ + . What the concentration of OH^ - in this solution?
    15·1 answer
  • Answer (example of a bar graph)
    7·1 answer
  • Of rational function<br>1<br>3. + 3 &lt; 0<br>3x-1<br>nctions.​
    11·1 answer
  • A ring made of pure gold contains 5.29 x 1022 atoms. How many moles are in the ring?
    6·1 answer
  • Define saturated and unsaturated fats​
    9·1 answer
  • The atoms of platinum and silver are identical (true or false)
    6·2 answers
  • A 15.0-L vessel contains 0.50 mol CH4 with a pressure of 1.0 atm. After 0.50 mol C2H6 is added to the vessel, what is the partia
    7·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!