The first little bump is the P wave
it is followed by the QRS Complex that's the big spike
and that is followed by the T wave which is a bigger bump than the P wave... normally
that's only in a normal Sinus Rhythm
Peaks and valleys to not create water waves, they are characteristic elements of water waves.
Sound Waves
CHiPs - 1977 Peaks and Valleys 2-1 was released on: USA: 16 September 1978
old
It depends which country or region you are talking about.
young
All land in the universe.
Yes. An electromagnetic wave follows a sine-wave pattern.
Crest and trough Image commons.wikimedia.org/wiki/File:Crest_trough.svg
All of them. Electromagnetic, sound, even a water wave until it hits shore.
The Rocky Mountain Range stretches across the western US from Texas to Canada. Tectonic activity and erosion by glaciers have sculpted the Rockies into dramatic peaks and valleys.
land,mountains,peaks,plateaus,river valley's (valleys) and plains or hills.