The majority of mechanical digestion occurs in the : select one: a. mouth b. stomach c. large intestine d. small intestine

the answer is d hope this helps

Mouth

Explanation:

Mechanical work is physical work

the solute can move "downhill," from regions of higher to lower concentration, relying on the specificity of the protein carrier to pass through the membrane. this process is called passive transport or facilitated diffusion, and does not require energy.