What invention in the 1400's revolutionized the way knowledge could be spread? A. The newspaper
B. The telephone
C. The printing press
D. The internet

a chair, a bed, and a toothbrush

explanation:

i was told this before by a teacher, so yeah

the most common energy conversion is from kinetic energy to potential energy, and then from potential energy to kinetic energy.

later on comes the heat energy, mechanical energy, and other energy conversions.

this energy conversion is so common that we can find it in our day to day lives as well.

- one of the most common energy conversions involves the changing of potential energy to kinetic energy or kinetic energy to potential energy