What happens during coal formation after plants die and fall to the bottom of a swamp?(1 point)
Responses
Sediment and rock pile on top.
Sediment and rock pile on top.
Carbon-rich coal is formed.
Carbon-rich coal is formed.
Overall plant growth declines.
Overall plant growth declines.
Heat and pressure build up.
Heat and pressure build up.
1 answer
Slowly, over millions of years, the organic material is compressed and heated, eventually turning into coal.