Aboy is pushing on a heavy door, trying to slide it open. his friend stands behind him and him push. how have the forces changed? a. the net force applied will increase. b. the net force will decrease. c. there will be less friction. d. the applied force will not change.

Select the correct answer how does the heat content of the reaction change in the process of photosynthesis when a glucose molecule is formed? ca the value of is negative the value of qis positive the value of a remains constant the value of a decreases the value of equals zero e

Agust of wind blowing east pushes against a ball. when will the wind do work on the ball? when the ball moves to the east when the ball moves to the north when the ball stays in one place when the ball moves north or south

Avogradoa number was calculated by determining the number of atoms in?