Is the worst way to protect ourselves from the sun's harmful rays.
sunglasses
only going outside when it is cloudy
long-sleeved shirts
sunscreen

The earth exerts a gravitational force of 500 n on amy. what is amy’s mass in kg?

Which describes increasing the efficiency of energy resource

Consider two less-than-desirable options. in the first you are driving 30 mph and crash head-on into an identical car also going 30 mph. in the second option you are driving 30 mph and crash head-on into a stationary brick wall. in neither case does your car bounce off the thing it hits, and the collision time is the same in both cases. which of these two situations would result in the greatest impact force?