Answer:
d. the accumulation of greenhouse gases in the earth's atmosphere.
Explanation:
If the land was big and flat. The soil would need to be moist and fertile. Other factors would need to be the area. Is it shaded or can the sun shine through so the plants can grow.
There are about 200 billion stars in our galaxy, with 40 billion of them like our sun, Marcy said. One of his co-authors put the number of sun-like stars closer to 50 billion, meaning there would be at least 11 billion planets like ours
Answer is E because dat was there biggest struggle in tho times
