LOL chart: Initial State: A child on a sled is in motion at the bottom of a small hill.
Final State: The child is in motion at the top of the small hill.
Notes: The system includes the child and the Earth. Resistance forces are
negligible. The child glides between initial and final state without any effort.

What happens to atoms and chemical bonds during a reaction?

Write the equation for momentum, first using symbols for the variables, then using words for the variables.

This is important 1. what happens to the speed of molecules in water vapor when it condenses to form a liquid? (2 points) the molecules slow down. the molecules speed up. the molecules slow down and then speed up. the molecules speed up and then slow down. 2. how might human activities change to compensate for a decrease in water supplies? (2 points) humans might build a factory. humans might build drainage systems. humans might extract more water from the ground. human behavior does not change because of the water cycle. i'll be grateful if anyone can answer these 2 questions !