Which substance makes up most of the environment inside a cell?

a . carbohydrates

b. proteins

c . water

d . atp

Answer : The correct answer is- C) water.

In a cell, water contributes 70% that is present in the cytoplasm (a fluid filled environment of cell) and the remaining 30% is contributed by the biomolecules nucleic acid, carbohydrate, and proteins.

Thus, option C) water is the right answer.

a "theory" a suggestion that is not 100 % accurate, or a figure. some people say its a theory because they of all the passed theory's about one subject. it depends sometimes theory might be accurate and sometimes they are.

after receiving a stimus, the sensory receptors send(s) signals to the appropriate area of the body.  

the must be sensory neurons.  

hope its .