When a water wave runs into you at the beach, what causes you to get knocked down? a. the wave's energy b. air molecules in front of the wave c. periodic motion d. friction

the earths atmosphere is made up of nitrogen and oxygen. solids can turn into gasses through a process called sublimation. sublimation is the transition of a substance directly from the solid to the gas phase, without passing through the intermediate liquid phase.

hope this : d

the answer is f1 and d2 because if you put equal force on those two points the beam would balance trust me on this