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Geography, 20.01.2021 01:50 blackboy21

The list below describes some events which took place at different periods in the geologic time scale. 1. Birds appear. 2. Mammals appear. 3. Sea reptiles become extinct. Which of these best orders the events from the earliest to the most recent? (1 point)

a 1, 3,2

b 1, 2, 3

c 2, 1, 3

d 2,3,1

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