Asked by caleb
When did swampy forests cover the Earth?
Devonian period
Silurian period
Carboniferous period
Cambrian period
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Carboniferous period.
During the Carboniferous (about 359–299 million years ago), especially the Late Carboniferous (Pennsylvanian), warm, humid climates produced vast swampy forests of lycophytes, ferns, horsetails and early trees that later formed extensive coal deposits.
During the Carboniferous (about 359–299 million years ago), especially the Late Carboniferous (Pennsylvanian), warm, humid climates produced vast swampy forests of lycophytes, ferns, horsetails and early trees that later formed extensive coal deposits.
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