Unite the country under the rule of a single, Communist government
Answer:
D. Mars takes a longer time to orbit the Sun than Mercury
Explanation:
Mercury is closer to the Sun than Mars, therefore it has a smaller orbit. One year on Mercury is 88 Earth days and One year on Mars is 687 Earth days.
Fossil distribution is the answer
Our solar system is heliocentric.
Helio is greek for Sun centered, and our solar sytem relies and revolves on the sun.
