Why does the sand feel hot under your feet on a sunny day at the beach? A)
Wind blows heat into the sand.
B)
The Sun's rays heat up the sand.
C)
The waves hitting the beach make a lot of heat.
D)
All of the people walking on the sand heat it up.

Photo means light and synthesis means combination so combination of light

Atp is is our little "pocket" of energy. of course, if you have too little, then it means you have too little energy, and you'll pass out. the way to not have enough, is to have no energy sources (glucose, fats, proteins). you can't have too many atp molecules. cycles like the krebs cycle produce it, but if you have too much of any substrate (or too little for that matter), the cycle stops and atp is no longer made (it stops until substrate levels are such that the process can go on). in any case, this is unlikely since atp is constantly hydrolyzed and remade, even while you're asleep. you won't have too much. if you have zero, you are dead or dying.

It has been around since 1858 so b. false