Question

Ellie conducts an investigation to determine if size or weight affect how fast objects fall. Her investigation includes repeatedly dropping a basketball and a golf ball at the same time. After many trials, she determines that both balls land at the exact same time.

Why would Ellie's investigation be valid?

It is based on evidence.

It uses objects that move.

It proves her predictions are correct.

It includes her opinion.

Answer 1

Answer: The answer is A

Explanation: I have the same exact question as you and i took a quiz with this exact question and it said that was the answer and i also took a quizlet with this question and it also said the answer was A hope this helped :)!

Answer 2

The repetition of the experiment allows to support the results, therefore the correct answer is:

based on experimental evidence

The theory is a set of rules, principles and knowledge that are developed from models and experiments that are carried out repeatedly, finding similar results in any given case.

In this case, Ellie repeated each experiment several times, finding results that lead to the result that the two balls hit the ground at the same time, therefore her conclusions are supported by experimental evidence.

In conclusion the conclusions of the experiment of dropping the balls the correct answer is: it is based on the experimental evidence

learn more about experiments here; https://brainly.com/question/13046030