Which is the most likely reason that the earliest theories about the universe supported the geocentric model

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 !

The dot diagram represents the motion of the motorcycle as it moves from left to right

If the chemical properties of a substance remain unchanged and appearance or shape of a substance changes it is called a ?