D.
Sasha is informing participants about the study and making sure they wish to participate.
The answer would be B i just did this 3 days ago
Answer:
At point A. it gets kinda loud then at point B. it gets very loud than at point C. it gets quieter than at point D. it gets more silent.
Explanation:
Because you can tell when the waves get large it gets louder and then when the waves get more far apart then it get more quiet. Hope this helped!
Answer:
a mixture
since it had the power to separate as the question says
