AnswersDRHS GA-GSE Environmental ScienceNonrenewable ResourcesQuestion 6
6
QuizMultiple Choice

Nonrenewable Resources

Question 6 • DRHS GA-GSE Environmental Science

Which shows the correct order of steps in the formation of coal?

Answer
A
Layers of dead plants pile up → plant matter is buried by rocks and dirt → dead plants fall in swamp → plant matter is compressed and is exposed to heat → coal forms
B
Plant matter is compressed and is exposed to heat → dead plants fall in swamp → layers of dead plants pile up → plant matter is buried by rocks and dirt → coal forms
C
Plant matter is buried by rocks and dirt → dead plants fall in swamp → layers of dead plants pile up → plant matter is compressed and is exposed to heat → coal forms
D
Dead plants fall in swamp → layers of dead plants pile up → plant matter is buried by rocks and dirt → plant matter is compressed and is exposed to heat → coal forms

Explanation

Coal formation begins when dead plants fall into a swamp. Over time, layers of plant material pile up, then become buried by rocks and dirt. Pressure and heat compress and change the buried plant matter until coal forms, so the correct choice is D.

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