Answer:
Pangea existed between about 299 million years ago (at the start of the Permian Period of geological time) to about 180 million years ago (during the Jurassic Period).
Explanation:
My Answer: The death rate begins to fall, but birth rates remain high for a time.
Why?: Many of our countries are in Stage 2, that is why the government is concerned about our overpopulation.
Hope I helped! :D
Answer:
The first source is less credible
Explanation:
The first source is less credible because it is from wikipedia and it is an html. Most trusted sources are edu, .org, etc.
Regolith can be brought back to earth.