One of the researchers proposes using oxygen gas production to measure reaction rates. which of the following statements best justifies the use of the proposed modification as a way of creating an appropriate control for the investigation?

Imagine a child who consistently gets mediocre grades and is often picked last for a team when games are played at recess. however, he likes to make silly jokes and play pranks, and he notices that people laugh when he does those things. the child starts to think that others are laughing with him, not at him. this is part of the process that charles cooley