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
NeX [460]
3 years ago
6

What is not true about the Archean eon?

Biology
1 answer:
Elena-2011 [213]3 years ago
8 0

Answer:

D. Spanned from about 3.8 billion to about 2.5 billion year ago

Explanation:

The Archean eon expanded from 4 billion years ago, until 2.5 billion years ago, being predeceased by the Hadean eon, and being followed by the Proterozoic eon. During this eon there were numerous very important things that happened. The first solid rocks were formed, thus the basis for the first continents arrived on the scene. The oldest fossils of living organisms are also dated to this eon, and they were the ones that started to slowly change the atmosphere by introducing free oxygen molecules to it.

You might be interested in
What is one way that fission and fusion are similar?
sergeinik [125]
B is the answer and I hopes this helps
6 0
2 years ago
Read 2 more answers
2. What do plants need in order to perform photosynthesis?
nadya68 [22]

Answer: To perform photosynthesis, plants need three things: carbon dioxide, water, and sunlight.

4 0
2 years ago
Read 2 more answers
How did vertebrae prevent from grinding against one another?
kow [346]
The intervertebral discs, which are between vertebrae, are the parts that prevent the vertebrae from grinding against one another.

The intervertebrals discs act as a cushion; they absorb the stress and shockw that occur during movement, preventing such grinding.
3 0
3 years ago
Read 2 more answers
The scuba diver is a living system. The scuba gear or self- contained underwater breathing apparatus, is a system of air exchang
Verdich [7]

Answer: The carbon dioxide is the output and oxygen is the input of the Scuba apparatus.

Explanation:

The scuba apparatus is a life saving apparatus used by the sea divers. It recycles the exhaled gas and removes the carbon dioxide and compensates for the utilized oxygen gas before the diver is actually supplied with the gas for the purpose of breathing in a circuit. Hence, the carbon dioxide gas is the output and the oxygen is the input.

5 0
3 years ago
When addressing an envelope, the word "confidential" should be placed?
fredd [130]
Yes, because the envelope can be a important document- so therefore it can be considered "confidential".
6 0
3 years ago
Other questions:
  • How would a biologist classify the plant stem shown?
    8·2 answers
  • Present the pros and cons of nuclear energy use
    15·1 answer
  • If chemical reaction A requires 270 kJ/mol of activation energy and chemical reaction B requires 180 kJ/mol of activation energy
    9·1 answer
  • The ability of your body to maintain internal conditions such as temperature is...what?
    10·1 answer
  • What is a likely factor that creates a difference between a category 1 and 5 hurricane?
    5·1 answer
  • How are the functions of a carbohydrate and a lipid similar? Both lower the activation energy of reactions. Both dissolve nutrie
    7·1 answer
  • Please read the following scenario to answer the following questions.
    9·1 answer
  • Which is the correct sequence of events in the nitrogen cycle?
    13·2 answers
  • Someone please help.
    14·1 answer
  • What is the prediction of the outcome.genetic crosses between various organisms
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!