Answer:
1.Mercury, Venus, Earth and Mars
2.global warming and climate change; water pollution and ocean acidification; and loss of biodiversity.
3.
Answer:
I believe that the answer is A, Lowering the population to protect resources and the environment.
Answer:
The correct answer is: A) Asteroid belt.
Explanation:
All of the other events can be explained by colliding worlds in the early solar system but the asteroid belt can't. The asteroid belt originated from the primitive solar nebula as a congregation of planetesimals, which were the precursors of the protoplanets.
Streams flowing from mountainous terrain commonly flow across alluvial fans at the edges of the valleys. ... In arid and semiarid regions, seepage of water<span> from the stream can be the principal </span>source<span> of aquifer recharge.</span>
