Mathematics, 25.09.2020 22:01, jebjeb6124

In states along the Gulf of Mexico, fossilized seashells from millions of years ago are often found on land many kilometers from the shore. These fossils are evidence that? A. seashells are formed by land creatures.
B. the Gulf shoreline was farther out to sea in the past.
C. the Gulf shoreline was farther inland in the past.
D. the Gulf shoreline's location has not changed.

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In states along the Gulf of Mexico, fossilized seashells from millions of years ago are often found...