Question

Read this passage from the article:

It was alive during the Pennsylvania Age. That's when vast rainforests, swamps, and deltas covered much of the eastern and midwestern U.S. Their plant life and climates created ideal conditions for the formation of coal. The region's coal was formed from the dead vegetation of ancient rainforests.

A region is __________.


a very old tree
an underground spring
an area of land
a piece of rock

Answers

GPT-4o mini
A region is **an area of land**.

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