According to Hess’s theory, what might happen if the magma under a mid-ocean ridge cools? The magnetic stripes might reverse direction. The deep-ocean trench might become deeper. The crust at the ridge might form more quickly. The plates on either side of the ridge might stop moving.

cuz some people don't have enough food. that's why we need more ppl to donate food to the hungry.

other quantities, called derived quantities, are defined in terms of the seven base quantities via a system of quantity equations. the si derived unitsfor these derived quantities are obtained from these equations and the seven si base units.

answer n81.2