Posted by **Jaycee** on Tuesday, December 13, 2011 at 9:23pm.

A student observed the apparent shape of the moon every night for a period of 60 days. On Day 10 the student observed a full moon. On which day did the student most likely observe a full moon?

A. Day 20

B. Day 30

C. Day 40

D. Day 50

I think it's C cause it takes about 30 days to see a full moon again

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