1. The earth's rotation causes day and night because it exposes certain parts of the earth to the sun as it rotates.
2. The earth rotates 365 days.
3. Saturn's rotation is faster while it's revolution is slower than Earth's.
4. Because the earth rotates from west to east.
6. Water on earth allows most organisms to live.
8. Gravity pulls the moon toward the earth.
The end of world war 2 and the surrender of japan korea divided one was helped by america the other north was watched over by the soviet i hope this helped
Answer:
The beginning of the Precambrian period starts with the formation of Earth about 4.5 billion years ago and ends at the first sign of complex life about 540 million years ago. Though the Precambrian Period is often referred to as a period, it's actually the only supereon, which means that it spans multiple eons.
Explanation: