If the results of an experiment do not support a scientist’s hypothesis, what should the scientist conclude?
a. her hypothesis was bad.
b. she must have made a mistake or forgotten something.
c. she should give up on research.
d. she may want to alter some aspects of the experiment and try again.

D

Explanation:

because there is no bad hypothesis,

mistakes happena and thats why she should try again,

never give up

D is only logicall

D. she may want to alter some aspects of the experiment and try again.

Explanation:

A scientific hypothesis is a statement which is based on assumption or presumption for the cause of a natural process or event.

The scientific hypothesis should be proved by the results of the experiment.

If the hypothesis does not proved by the results of the experiment then the experimenter should alter some steps of the experiment and must try again.