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Which best describes fetal development?
The heart beats and is heard during the first trimester.
The heart beats and is heard during the second trimester.
The heart beats during the first trimester, but is heard in the second trimester.
The heart beats during the second trimester, and is heard in the third trimester.


Sagot :

Answer:

A

Explanation:

Next time give option so people could understand

Answer:

The heart beats and is heard during the first trimester.

Explanation:

edge 2021