Which is an example of refraction A. a flashlight beam hitting a mirror
B. a shout crossing a crowed room
C. a sunbeam striking a window
D. a water wave bending around a rock

the increase of protons   hope this

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.

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they vary. it used to be meat, grain, bread, candy, beverages, donuts, and fruits/vegetables. now they added exercise in.