What is amplitude?
the time for one wave to pass a given point
the number of complete waves that pass a given point in a second
the height of a wave
the distance between two crests or troughs

Amplitude is the height of a wave.

Explanation:

Time Period is the time for one wave to pass a given point.

Frequency is the number of complete waves that pass a given point in a second.

Amplitude is the height of a wave.

Wave Length is the distance between two crests or troughs.

The best answer is (a) which is universal law is in effect at all times. it is constantly at play in everything we do and governs our lives. it is also important to note that universal law applies to not only everything on earth, but everything in the universe as well, which is another reason why it is in effect at all times.

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