How many factors should a well-designed experiment test at one time? A)1
B)2
C)3
D) depends on the number of experiment variables

A. 1.

answer: c.

explanation:

plato users

given bodies of water

pacific / arctic / indian / southern

[ a ] the caribbean sea

[ b ] the northern ocean

[ c ] the atlantic ocean

[ d ] the barents sea

with this being the given answers