What doesn't limit the range of moton from the things which you've mentioned would be age. Age per se doesn't really limit the range of motion - while there are factors which negatively influence our range of motion and which are strongly correlated with age, it is hard to say that age itself would be the cause of a limited range of motion.
I would go with D because if the person doesn't answer it's best to know what to do before hand if it happens so you don't get in trouble.
To allow it to be able to stay great while being transported from wherever it was made to the store
Answer:
The pulse
Explanation:
A selected cell or a group of cells is first exposed to a labeled compound (the pulse) that is to be incorporated into a molecule or system that is studied (also see pulse labeling). The compound then goes through the metabolic pathways and is used in the synthesis of the product studied.