Answer:
Population growth is a problem.
Explanation:
Population is a problem because we have to worry about if we have enough resources to support them and there has been a scientific study done that proves more carbon dioxide is put into the air which doesn't help with air pollution.
I think there are 4 types of middle clouds, but the only ones that share a prefix are altocumulus and altostratus, they both have the prefix alto which means high clouds
Answer:
Petroleum is oil from the remains of water organisms, the oil can be found beneath the ocean floor. Petroleum is a crude oil, and is made of pure chemical compound.
Answer:
a young mountain range along a continental coast.
I really hope this was helpful
