Choose the answer that is not a fossil. A. a petrified T-Rex is found in Montana
B. a cow skeleton in the desert
C. a 400-million-year-old fish preserved in rock

B.a cow skeleton in the desert

Explanation:

The cow skeleton has not been preserved for a long period of time.

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political parties perform an important task in government. they bring people together to achieve control of the government, develop policies favorable to their interests or the groups that support them, and organize and persuade voters to elect their candidates to office.

explanation:

buildings sir and respect