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DIRECTION. Choose the letter of the correct answer, 1. Energy from the sun renches the earth through a mechanical waves e, longitudinal waves b. electromagnetic waves d. surface waves 2. Which of the following will happen if the frequency Increnses and speed remains constant? a. the wavelength will decrease e, the wavelength will increan b. the amplitude will increase d, the amplitude will decrease 3. Which of the following will be reduce if some of the wave's energy dissipated as hent, A. speed e, frequency b. amplitude d. wavelength 4. It is the highest point of the wave. a. trough C. crent b. amplitude d. Requency 5. What is the distance between one wave crest to another wave orest? c. origin a. Amplitude b. frequency d. wavelength​