lilycard341
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PLEASE HELP WILL MARK BRAINLIEST
Which best describes eras and periods?

A. Eras have a smaller time span than periods.
B. Eras and periods are independent of each other.
C. Eras and periods both appear at the start of the Cambrian period.
D. Eras were more recently established on the time scale than periods.

Answer :

maddyj0204

Answer:

B or C i think

Explanation:

because Eons are broken into eras and then into periods.  Its not A tho

dawmadison3

Answer:  b

Explanation:

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