Answer:
Blank 1: Depression, anxiety, or both
Blank 2: Covered or paired
Answer:
yellow
Green
Blue
Explanation: just saw the answers
Answer:
Destructive interference happens when one wave is oscillating the opposite way as the other one, so it compensates.
Explanation:
The sewing needle should float in the water if placed on a horizontal angle if I remember properly.
I hope this helps in some way.
