Multiple Choice
Coal is the fossilized remains of _______ from the _______ period.
A) flowering plants; Cretaceous
B) photosynthetic plankton; Cretaceous
C) photosynthetic plankton; Carboniferous
D) tree ferns and horsetails; Carboniferous
E) tree ferns and horsetails; Cretaceous
Correct Answer:
Verified
Correct Answer:
Verified
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