Which statements explain what the fossil record indicates?

the fossil record provides evidence about the history of life on earth.it also shows how different groups of organisms,including species, have changed

Explanation:

The answer is the amount of water on Earth has decreased over time.

Explanation:

c

explanation:

a researcher conducts an experiment on the secretion of a particular hormone in mice. scientists inject mice with a substance that stimulates the production of the hormone. the scientists then test the levels of hormones produced by the mice. the tool used to measure the hormones consistently detects the levels at 10 points lower than the actual hormone levels in the mice. this tool makes measurements, but the measurements aren't .

explanation:

no u