Answer:
1. Humans burn up fossil fuels to release into the air and pollute it. we throw trash on the ground, we kill most of the animals that are endangered, and we cut down trees and kill habitats for animals.
2. They could burn Natural gas, kill less animals, use the trash cans and recycling bins, not cutting trees and killing habitats.
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Step-by-step explanation:
I know because of my Dad, he tought me all of this stuff.