Question

what is an experiment? a type of scientific investigation that tests how one thing specifically affects another a type of scientific investigation that focuses on collecting data for comparison a type of scientific investigation that focuses on observing and recording findings none of these

Explanation:

An experiment is a scientific investigation where one variable is manipulated to see its effect on another variable. It's about cause - and - effect relationships.

Answer:

A. A type of scientific investigation that tests how one thing specifically affects another