Does gravity affect kenetic energy

Yep.

Explanation:

In physics, the kinetic energy of an object is the energy that it possesses due to its motion. Gravity will pull the object down. So yes, gravity affects kinetic energy.

im srry but ur wrong the answer is d a smooth rock, some red dirt, and an empty bird's nest.

the best answer for these questions would be:

1.            c. is smaller

2.            d) concrete operational

3.            b) interaction with the environment – the children interact with their environment can them learn more.

4.            a) parents who reason openly with children can limit a child’s cognitive ability.