A machine makes work easier by
A. Multiplying the force exerted
B. Maintaining the distance over which the force is exerted
C. Adding the forces exerted
D. Dividing the force exerted

your answer would be C.

Explanation:

Machines make work easier by increasing the amount of force that is applied, increasing the distance over which the force is applied, or changing the direction in which the force is applied. sorry if im wrong.

under a microscope, cancer cells may look very different from normal cells. they often have different sizes and some may be larger than normal while others are smaller. cancer cells are often abnormally shaped and the control centre of the cell (the nucleus) may have an abnormal appearance.

i think? ?