Answer:
The answer is A. True, salts are indeed clear because there are no free electrons to interact with ambient light.
The abbreviation for adenosine triphosphate is ATP
Could you elaborate more?
Activation energy is the minimum quantity of energy that the reacting species must possess in order to undergo a specified reaction.
for example , striking a match on the side of a matchbox provides the activation energy, in the form of heat produced by friction.