Question

During the Carboniferous period, large swamp forests extended across wet, tropical regions such as North America, eventually forming _____.

tropical rain forests
mountain ranges
vast coal deposits
inland seas

Answer 1

During the Carboniferous period, large swamp forests extended across wet, tropical regions such as North America, eventually forming vast coal deposits and tar pits. One example is the La Brea Tar Pits in southern California.

Answer 2

Carboniferous Period denotes the Pennsylvanian and Mississippian periods of Earth history.

During the Carboniferous period, large swamp forests extended across wet, tropical regions such as North America, eventually forming vast coal deposits. Correct answer: C