To evaluate the usefulness of a test what should someone someone measure about the test

The test measures what it claims to measure. For example, a test of mental ability does in fact measure mental ability, and not some other characteristic. The test is job-relevant. In other words, the test measures one or more characteristics that are important to the job.

Ibelieve the answer is c

Asmall closed hole formed in an outwash plain or moraine. forms when a  glacier retreats then remains stationary.