Light is described as having a dual wave particle nature. which piece of evidence provides support for the model of light as a wave?

light causes electrons to be released when it strikes a metal surface

light reflects when it hits a surface.

packets of energy called photons.

light travels fastest through a vacuum.

What happens when chlorine reacts with bromine? a. electrons move from the chlorine atoms to the bromine atoms. b. electrons move from the bromine atoms to the chlorine atoms. c. electrons are shared between the chlorine atoms and the bromine atoms. d. electrons become delocalized among the atoms.

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 !

For the car in the picture ,in which direction is the normal force? -into the screen -down -out of the screen -up