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
Maurinko [17]
3 years ago
15

How did stromatolites contribute oxygen to the early atmosphere?

Biology
2 answers:
Neko [114]3 years ago
8 0

How did stromatolites contribute oxygen to the early atmosphere?

by weathering of rocks

through photolysis

through methane degradation

through photosynthesis

Answer:

by weathering of rocks

pls rate 5star + thanks

SashulF [63]3 years ago
5 0

Answer:

By weathering of rocks

Explanation:

You might be interested in
In general, what type of air masses and front could create a big thunderstorm?
Ivan
Warm Front would be your answer
3 0
2 years ago
Which endocrine gland controls the secretions of the pituitary gland?
lions [1.4K]
The answer is D Hypothalamus I think

6 0
3 years ago
Is it hazard or risk
kupik [55]

Answer:

1. Risk

2. Hazard

3. Risk

4. Risk

5. Hazard

6. Hazard

7. Hazard

8. Hazard

9. Risk

10. Hazard

:)

5 0
3 years ago
Which of these is an impact of noise pollution
RoseWind [281]

Answer:

loud cars or desterbing noises

Explanation:

4 0
3 years ago
Read 2 more answers
Heterozygous alleles are found on ________ chromosomes.
serg [7]
I believe it is gene sex chromosones...
4 0
3 years ago
Read 2 more answers
Other questions:
  • Females inherit two x chromosomes and males inherit one x chromosome. however, there is not a double dose of x gene products in
    9·2 answers
  • Patients being treated with a particular drug run the risk of being allergic to the drug. a patient's reaction to the drug is ch
    12·1 answer
  • Sedimentation increases with an increase in land used for agriculture.
    9·2 answers
  • Why is sunlight written above the arrow in the equation,rather than on either side of it?​
    7·1 answer
  • What is a true rib, a false rib, and a floating rib? Why are floating ribs easily broken?
    14·2 answers
  • Which effects are most likely to result from the environmental changes? Check all that apply. population loss of small animals f
    8·2 answers
  • 4. In carnations, red and white flowers make pink flowers. What complex inheritance pattern is this? Also, create a Punnett squa
    9·1 answer
  • Mutations that change the structure or number of chromosomes are called
    10·1 answer
  • What is the main advantage of small cell size
    11·1 answer
  • Do you think animals pollinate flowers and disperse seeds on purpose or by accident?
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!