Answer: A
Explanation: hypothesis is something na hindi pa napatutunayan at nagpag-aaraalan while theory is something na backedup with evidences and data
An adaptation-----------------------
For most organism (animals and humans) glucogen is stored in the liver. Glycogen in basically a bundle of glucose. This is like storing energy as the glucogen can be changed back into glucose by a hormone by Glucagon. It breaks down the insoluble glycogen into glucose that can be used in respiration which creates energy.
Respiraton
Glucose+ Oxygen = Water + Carbon Dioxide + ENERGY
"Mechanical Energy is the energy of motion of an object"
Hope this helps!