1. How much heat energy is needed to raise the temperature of a S gram piece of
aluminum from 15°C to 30*C if the
specific heat of aluminum is 0.90 J/g*C?

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.

i think? ?