6th grade science Major grade plz help

Which part of earth’s surface receives the most direct rays from the sun? a) equator b) ocean c) poles d) mountains

A50.0 ml sample of gas at 20.0 atm of pressure is compressed to 40.0 atm of pressure at constant temperature. what is the new volume? 0.0100 ml 0.325 ml 25.0 ml 100. ml

Which property of water causes water drops to bead on a freshly waxed car?