Which process is a chemical change? burning a match
boiling water
melting ice
breaking glass

the answer is burning a match

Explanation:

when you break glass, the  properties of glass is still the same, melting ice and boiling water are both phyisical changes since they are chnages in state.

woo burning is a type of combustion reaction and when we light a match, matches include different chemicals that help to ignite it with friction so its A, burning a match

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? ?