Volcanic island arcs are associated with o cean-ocean convergent plate boundaries
ocean-continent

convergent plate boundaries

divergent plate boundaries

transform plate boundaries

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? ?

gas

explanation:

smoke is the matter of a gas