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
bazaltina [42]
3 years ago
14

A. What gases were present in Earth's early atmosphere?

Biology
1 answer:
frutty [35]3 years ago
5 0

Answer:

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

Explanation:

You might be interested in
The ______ proton is found in the nucleus and represents the element's ____________. A) positive; symbol B) positive; atomic num
Artyom0805 [142]
B, proton is positive and it does not represent the symbol
8 0
3 years ago
Compared with DNA replication, transcription is _______ error prone because of differences in _______.
Tatiana [17]

Answer:

more ; the proofreading system

Explanation:

Transcription is considered to be more error prone and this is mainly attributed to differences in the proofreading system.

Hope this helped! :^)

8 0
3 years ago
Which of the following is not a product of cellular respiration
Lera25 [3.4K]

Answer:

Oxygen

Explanation:

The products of cellular respiration are carbon dioxide, ATP, and water. In cellular respiration, glucose and oxygen react to form ATP. Water and carbon dioxide are released as byproducts.

3 0
3 years ago
Read 2 more answers
Why do females produce fewer gametes?
yaroslaw [1]
Coz they need food to live long and so they r big in size containing large amount of food. if they'll divide to form more no. of gametes then their food content will decrease and so theyll die
6 0
3 years ago
A scientist was observing a population of sea cucumbers in coastal waters. Over a 10-day period, she collected the following inf
victus00 [196]
I think the answer is A im sorry if its not right 
5 0
4 years ago
Other questions:
  • Why does the shell of a birds egg have microscopic holes in it?
    10·1 answer
  • ?????????????????????????
    5·1 answer
  • In what ways is the evolution of a massive
    6·1 answer
  • What factors trigger the evolution of a species?
    13·2 answers
  • What 3 currents are formed in the beach?
    15·1 answer
  • Put the following stages in order
    11·1 answer
  • Why is there little difference between qualitative and quantitative data?
    5·1 answer
  • How does the mutation present in 10% of Europeans protect their cells from HIV?
    7·2 answers
  • Look back at figure 1 in the slide show, name 2 nonliving things you see and explain why the organisms of that habitat need them
    7·1 answer
  • How is ""maximum"" tension achieved in a whole muscle (assuming optimal length)?
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!