Determine the longest wavelength of light required to remove an electron from a sample of potassium metal

if a star is moving toward earth, its light waves appear to be squeezed together. hope it

b) returns freshwater to the earth.

c) returns freshwater to the earth.c) occurs after condensation.

d) returns freshwater to the earth.c) occurs after condensation.d) roughly equal to the amount of evaporation.

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b.transmitters send radio waves, and receivers capture radio waves.