Mitchell records the amount of time a toy car takes to travel down a ramp one time for each of four slope angles. his lab
partner, sarah, suggests that he run the same set of trials two more times.
what arguments should sarah use to support her suggestion? check all that apply.

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? ?

one negative thing it that it can kill water animals. another negative thing is it can cause the destruction of ecosystem. one way water pollution can be reduced is to conserve energy.

c) should be the answer.