What statement about the scientific method is true?

C. Hypotheses can be proved through experimentation

Explanation:

When conducting research, scientists use the scientific method to collect measurable, empirical evidence in an experiment related to a hypothesis (often in the form of an if/then statement), the results aiming to support or contradict a theory.

i believe it is "they are not used up by reactions" as the answer to your question, text me back if this is correct because i just learned this.

the answers are a and c