Answer:
An acid-resistant substance called GROUND.
Next the plate is dipped in ACID.
Explanation:
Answer:
D
Explanation:
A is describing the amplitude of wave.
B doesn't even have to do with waves.
C is describing the frequency of a wave.
D is describing the distance between two points.
:)
1:a
2:e
3:c
4:b
5:d
Hope this helps<3