When you drop a pebble into a pond, the energy from the pebble acts on the water and causes waves, what is the wave? A: the visible form of energy.

B: the pebble falling through the water

C: the water moving away

(science quiz)

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? ?

give me abc and i will get it for u.