When you were a child, you went to visit your grandparents several times.
when you think back to a visit when you were five, you remember some
things that actually happened on the visit when you were eight. this is an
example of:

answer:

flashback

explanation:

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

i think that it is c, d, and e, hope this