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
sammy [17]
3 years ago
6

How did changes in earth's atmosphere allow for the evolution of life on earth?

Biology
1 answer:
rewona [7]3 years ago
8 0

Answer:

The early atmosphere was probably mostly carbon dioxide, with little or no oxygen. There were smaller proportions of water vapor, ammonia, and methane. As the Earth cooled down, most of the water vapor condensed and formed the oceans.

You might be interested in
Which of the following best describes the function of the human nervous system?
Dennis_Churaev [7]

Answer:

A.the nervous system gathers,interpret and respond to information about the body's internal and external environment

Explanation:

the nervous system is a highly complex part of an animal that coordinates its actions and sensory information by transmitting signals to and from different parts of its body

8 0
3 years ago
A eukaryotic organism was found in a pond. The single-celled organism possessed photosynthetic capabilities, had a cell wall, an
Alex17521 [72]
The answer is b: fungi hope this helped
8 0
3 years ago
How do aerobic anaerobic respiration differ?
brilliants [131]
More energy is released from a glucose molecule during anaerobic respiration than during aerobic
3 0
3 years ago
Question
neonofarm [45]

Answer:

  • <em><u>color of light, then white light will produce the tallest plant."</u></em>
  • Explanation:
<h2>Identify at least four controls in the experiment and give a possible example for each - Create a realistic way to test the hypothesis - Indicate a way to record data - Create a realistic conclusion based on your test</h2>

7 0
2 years ago
What chemical that is released by the brain makes a person feel good?
Natasha_Volkova [10]
I am afraid there is no specific answer to your question becuase there is not only one fell good chemical, there are 4:

Endorphin, Serotonin, Oxytocin and Dopamine.


Hope it helped,

Happy homework/ study/ exam!




4 0
3 years ago
Read 2 more answers
Other questions:
  • The diagram below shows the sun and four positions, A, B, C, and D, of the moon around Earth.
    6·2 answers
  • Which reason best explains why dead specimens must be used with transmission electron microscopes?
    7·2 answers
  • Describe the relationship between Crust , mantle ,lithosphere , asthenosphere, and tectonic plates.
    14·1 answer
  • What are some things that could help you live longer?
    13·2 answers
  • During which phase in the control of the digestive system would bicarbonate and bile be stimulated? View Available Hint(s) Durin
    9·1 answer
  • Why can a more complex sugar polysaccharide store more energy than a monosaccharide
    14·1 answer
  • WeWhat are the symbols for the SIX<br> elements that make up 99% of the atoms<br> in the human body?
    9·2 answers
  • Why are forests called "biodiversity hot spot"?
    6·1 answer
  • What condition is required for piles of sediment to become a sedimentary rock?
    7·2 answers
  • Due to ________________, water is absorbed by the kidneys and taken up by capillaries in the tissues.
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!