3 Select the correct answer
A kilogram is an si unit. Which quantity might you measure in kilograms?
О А.
temperature
B.
mass
C. length
D.
electric current
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Ten students stand in a circle and are told to make a transverse wave. what best describes the motion of the students? each student bumps the shoulder of his or her neighbor. at the exact time, all students take a step to the right. the students skip clockwise, going in a circular motion. one at a time, each student lifts his or her hands up and then down.

Give an example in which the electrical energy changes to light energy

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