I think the first think that you should <span>check if the numeric keypad on a standard desktop keyboard is not working is the num lock key. This key controls whether the primary function of the numeric keypad or the secondary function will work when pressed. </span>
The best answer is B; heat energy is also known as thermal energy.
They are undergoing mitosis 2^7=128 but they started with 4 cells not two cells so it’s 2^6 which means 6 generations... tell me if turns out to be right