To what class of minerals do gold, silver & copper belong?

Why should the scientific method be used to answer a question? a. it provides a way to test an idea without any bias. b. it provides a way to test a hypothesis. c. it provides a way to ensure all hypotheses are proven correct. d. it provides a way to quickly turn a hypothesis into a scientific theory.

This is a mixture that has the same composition throughout.

What problem would a person have if the nucleic acid in one of his or her cells were damaged?