Give a suggestion to make speech distinct in a cinema hall. explain the reason for your answer. hey guys don't joke ok it's my homework answer fast .

The energy released by a nuclear fusion reaction is produced when

Ultraviolet radiation is dangerous because it has a high enough energy to damage skin cells. what is the best explanation of the relationship between wavelength and wave energy? a) wave energy is related only to frequency, not wavelength. b) longer wavelengths have lower frequencies but higher energy. c) the shorter the wavelength, the lower the frequency and the higher the energy. d) the shorter the wavelength, the higher the frequency and the higher the energy.

Is a copper wire a conductor or insulator?