A force of 52 N acts upon a 4 kg block sitting on the ground. calculate the acceleration of the object

the  frequency of a wave represents  the number of wavelengths that pass a specific point per second. the unit for  frequency  is hertz (hz).

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answer; the correct answer is desert plants;

blue stars have the highest surface temp

stellar distances are usually expressed in light-years

the measure of a star's brightness is called magnitude

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