Answer:
Mars.
Explanation:
Currently, Mars is one of the planets with multiple moons. Others include (but have more than 2) Jupiter and Saturn.
Overgrazing is a cause of desertification, so c.
I think it is because the cold air is more dense than the hot air so the less dense air which is the warm air rises
Disrupted food webs, increased competition, disrupted life cycle events, forced relocation