Lake
the name given to a body of fresh water that is completely surrounded by land.
Question - any raw material or agricultural product that is bought and sold is called
Answer - Commodity
Why - " A raw material or primary agricultural product that can be bought and sold, such as copper or coffee. Consumer. A person who purchases goods and services for personal use."
The answer would be Morrocco
I believe the answer is intermittent reinforcement.
intermittent reinforcenet refers to the process of imposing operant conditioning in which the reinforcement is being done in a random time.
The purpose of doing intermittent reinforcement is to make them able to push the subject into doing things to even if they receive no reward for it.<span />
Here are some example of Nuclear Energy:
Nuclear Fusion
Nuclear Fission
Nuclear Weapons
Nuclear Medicine