1. Frequency is the number of complete waves that pass a point in a second. 2.Wavelength is the distance between two crests or two troughs. 3.Time period <span> is the time it takes for one complete wave to pass a given point. 4. Amplitude is the height of the wave. Hence option 4 is correct. </span>
When a red giant has insufficient mass it pretty much sheds its outer layer to leave the center core know as the white dwarf
Build a filter.
Dig water from the ground
D. between radio waves and microwaves
