Consider any ocean wave. What is the relationship between an ocean wave and the energy of that wave?

A. Wave energy increases with frequency and decreases with wavelength
B. Wave energy decreases as the wave moves closer to shore
C. The greater the wavelength, the more kinetic energy the wave has
D. Wave energy is directly proportional to the amplitude of the wave

D. Wave energy is directly proportional to the amplitude of the wave

Examine the timeline of relaying information to other people over the past few hundred years.

Pony Express, US Postal Mail, Fax Machine, Digital Image Submission

Which statement explains the reasons for this progression in information delivery?
A. The relay of information became less trustworthy as more digital technology was used.
B. The quality of the information became less reliable as more digital technology was used.
C. The storage of information became more difficult as more digital technology was used.
D. The relay of information became more reliable as digital technology was used

D. The relay of information became more reliable as digital technology was used

The correct answer is D. Wave energy is directly proportional to the amplitude of the wave.