What happens during coal formation after plants die and fall to the bottom of a swamp?(1 point)

Question

Responses

Overall plant growth declines.
Overall plant growth declines.

Carbon-rich coal is formed.
Carbon-rich coal is formed.

Sediment and rock pile on top.
Sediment and rock pile on top.

Heat and pressure build up.

Answer 1

Heat and pressure build up.

Answer 2

How is coal extracted from the earth? Select the two correct answers.(1 point)
Responses

by heating and boiling it
by heating and boiling it

by hydraulic fracturing
by hydraulic fracturing

by drilling wells
by drilling wells

by surface mining
by surface mining

by underground mining

Answer 3

by surface mining
by underground mining

Answer 4

Which fossil fuel is extracted by fracturing rocks?(1 point)
Responses

crude oil
crude oil

coal
coal

natural gas
natural gas

gasoline

Answer 5

natural gas

Answer 6

Which of the following are considered fossil fuels? Select the three correct answers.(1 point)
Responses

carbon
carbon

natural gas
natural gas

hydrogen
hydrogen

oil
oil

coal

Answer 7

natural gas
oil
coal