Answer:
placement of title, and placement of bibilographic information
Explanation:
Answer:hydrogen sulfide, methane
Explanation:
As Earth cooled, an atmosphere formed mainly from gases spewed from volcanoes. It included hydrogen sulfide, methane, and ten to 200 times as much carbon dioxide as today's atmosphere.
Answer:
C. They are moving away from each other.
Explanation:
I'm not entirely sure, so you may want to wait for another answer.
I believe the answer is D. Monsoons.