Khalad is measuring the amplitude of a wave. what can be known about this wave?
a. it's a sound wave
b. it's a transverse wave
c. it's an electromagnetic wave
d. it's a mechanical wave

Khalad can be known about this wave is D, it's a mechanical wave. A mechanical wave is a wave that is a wavering of matter, and thusly exchanges vitality through a medium. The measure of vitality conveyed by a wave is identified with the plentifulness of the wave. A high vitality wave is portrayed by a high abundancy; a low vitality wave is described by a low sufficiency.

Protons have a positive charge and, collectively, give an element its atomic number.