The answer would have to be A I just took the test and this was the correct answer so i believe it is right.
I only know the first one it is
1. Xia. the Shang, and Zhou
The Cuban Missile Crisis, October 1962. The Cuban Missile Crisis of October 1962 was a direct and dangerous confrontation between the United States and the Soviet Union during the Cold War and was the moment when the two superpowers came closest to nuclear conflict.
Answer:
for studying the origin and evolution of the life and nature of the earth
One revolution of Earth around the Sun takes one year (one day is one rotation around its own axis).
Now, our years last 365 or 366 days because the actual revolution does not last exact day: it is <span>365 1/4 days long. </span>
