In this wave, there is a vertical line which represents what part of the wave? es )
A
amplitude.
B)
crest
trough
D)
wavelength

Which governments provide garbage collection services to homes and businesses

Glass has a hardness that is in the middle of the hardness scale. what is the hardness of glass?

Emagnitude of the electrical force acting between a +2.4 ×  10–8  c charge and a +1.8 ×  10–6  c charge that are separated by 0.008 m is    n, rounded to the tenths place.