Yes
From a dieters perspective a carbohydrate guide would be a list of foods and the types of and the amount of carbohydrates they contain. Not all carbohydrates are equal so they would point out the differences.
I think its vitamins....
do all chemicals have the same amount of potential energy
radiation balance
radiation balance
radiation balance
True
radiation balance
Photons
no
light is a form of energy and energy cannot be destroyed or created only changed so the amount of possible light is equal to the amount of energy in the universe
E=hv