<h3>Answer:</h3><h2>A Reaction is the rate rate which increases with a decrease in temperature.</h2>
It can be physical or chemical; a physical reaction is the one which occurs as a result to an event i.e. anger, happiness, excitement etc. Where as a chemical reaction is illustrates the process a chemical behaves when mixed with another substance.
Answer:
When light energy is absorbed by a chlorophyll molecule its electrons gain energy and move to higher energy levels in the molecule
A is correct
The slides would have the specimen on it as well
