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kvv77 [185]
3 years ago
12

During which period did mammals first appear?

Biology
2 answers:
Anit [1.1K]3 years ago
7 0

Answer:

The correct answer is - d. Jurassic.

Explanation:

algol [13]3 years ago
3 0

Answer:

the Triassic Period

Explanation:

hope it helps

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