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
ankoles [38]
3 years ago
7

About 4 billion years ago, oceans were able to form because _____. cyanobacteria appeared volcanic outgassing helped protect the

surface from meteorite bombardment the moon's gravitation cooled the earth the Sun's radiation declined
Geography
2 answers:
Delicious77 [7]3 years ago
5 0

the answer is "volcanic out-gassing helped protect the surface from meteorite bombardment "

Alex73 [517]3 years ago
4 0
Because Cyanobacteria appeared

Cyanobacteria's excrement formed a lot of oxygen in the atmosphere which make the earth temperature cold

This allow a liquid water to formed on the surface ( because if the temperature is too high, the water will evaporate) and eventually formed oceans
You might be interested in
What is the difference between oceanic crust and continental crust
Aneli [31]
Oceanic crust is more dense which makes it subduct and continental crust is less dense which makes it override the oceanic crust during subduction
6 0
3 years ago
Jerusalem is a major holy site for all of the following religions except __________.
Oliga [24]

Answer:

Hinduism

Explanation:

Christianity, Islam, and Judaism are Abrahamic religions and Hinduism is not. Most Abrahamic religions are centered in Jerusalem, Hinduism is centered around India I'm pretty sure

4 0
3 years ago
Read 2 more answers
The Ring of fire is located in which of the following plates?
storchak [24]

All the answers are correct look at a map.

7 0
3 years ago
Uranium-238 has a half-life of 4.5 billion years. Given that scientists estimate Earth's age to be 4.6 billion years, what is th
svp [43]
The answer will be 10 percent
3 0
3 years ago
Read 2 more answers
What causes the different seasons on Earth?
steposvetlana [31]

Answer:

The Earth revolving around the Sun.

Explanation:

As the Earth revolves around the Sun, in some cases, it is closer to the Sun and sometimes further away; if the Earth is closer, our planet gets more light/heat so it is summer. If it is farther, then we get less heat, so it is Winter. Autumn/Fall and Spring are between there.

7 0
3 years ago
Other questions:
  • What type of government system has the following characteristics? i. a monarch is the head of state. ii. the powers of the monar
    8·2 answers
  • What is the Flat landscape East of the Rocky Mountains
    7·1 answer
  • When a planet appears to move in a "zig-zag" loop on the sky, it is called:?
    12·1 answer
  • Which two processes are responsible for water's transfer of energy in the atmosphere and hydrosphere? a. evaporation and runoff
    12·1 answer
  • Which country is currently the most populated country in the world? A. India B. China C. Mongolia D. Indonesia
    15·1 answer
  • Jupiter has a mass of about 318 times the mass of Earth and a diameter of about 11.2 times the diameter of Earth. The accelerati
    11·1 answer
  • Rock that erodes to expose layering is _____.
    12·1 answer
  • Why are the spaces between the yellow lines on a map not equal?
    12·1 answer
  • How did the building of this canal change world transportation?
    9·1 answer
  • Plz help it's due at 12!!!
    9·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!