Ally1713
contestada

During the past 100,000 years, there were at least ___ glacial periods
a. 4
b. 12
c. 20
d. 60

Respuesta :

azlynnchaney1
There were at least 4 glacial periods:)
miao200008

Answer:

B

Explanation:

There where at least 4 glacial periods.

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