PLZ HELP! What would happen to work and power if the mass of the person walking was increased or decreased? EXPLAIN.

What must happen before a body cell can begin mitotic cell division

Which of these would be caused by a chemical change? a) the formation of lava. b) sedimantary rock layering over time. c) metamorphic rock forming from igneous. d) metamorphic rock eroding to form sedimentary rock.

How can one make a supersaturated solution? (apex)