I think . circular motions in the atmosphere.
I want to say A.) to protect consumers from purchasing poor quality products. but I'm also debating on letter B.
I hope this helps
Answer:
Ronald Reagan
Explanation:
Ronald Reagan, originally an American actor and politician, became the 40th President of the United States serving from 1981 to 1989.
<span>First a science fair requires projects. They should be a diverse group of experiments and demonstrations. Second, the students should be present and close by their project so they can explain their work. The third important component of a successful Science Fair is community mentors to act as judges. The judges should interact with the students, make fair decisions, and spark interest in science.</span>
