What does it mean that a hypothesis must be testable?
O
A. The hypothesis must be shown to be true before the experiment.
O
B. The hypothesis must have an experiment that uses math.
O
C. There can only be one experiment that tests the hypothesis.
O
D. It must be possible to observe whether the hypothesis is true.

it must be possible to observe if the hypothesis is true or not

Explanation: because to observe if something happens or not is testing

identify the dna change shown in the diagram and explain how that change can result in the increased genetic diversity often seen among siblings.identify the dna change shown in the diagram and explain how that change can result in the increased genetic diversity often seen among siblings.v