What makes a substance a solid

a liquid will turn into a solid when it is below its melting point, so ice for example will be water untill it is below 32 degrees fahrenheit or zero degrees celcius

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? ?

with this one i know the answer in craters one reason i looked it up and i learned about it there is my evidence