They show that there was an ocean over the plains long ago, and fossils are always used to elaborate on the history of life/how it developed.
Answer:
C
Explanation:
US satellite Explorer launched, NASA was established, first man orbited the Earth first man walked on the moon
Answer:
Physical maps usually show the most important political boundaries, such as state and country boundaries. Major cities and major roads are often shown.
Explanation:
Answer:
i thing mass washing it seems to be