WILL MARK BRAINLIEST IF CORRECT The mouth generally has a neutral pH close to 7. When salivary enzymes are swallowed and enter into the stomach, which of the following will occur?
a. The enzymes will be deactivated by the change in pH.
b. The enzymes will be activated by the change in pH.
c. The enzymes will be deactivated by inhibitors in the stomach.
d. The enzymes will be activated by coenzymes in the stomach.

i'm thinking (a) to keep sand in place; ////////////

explanation: a sand fence or sandbreak, like a snow fence, is used to force windblown, drifting sand to accumulate in a desired place. sand fences are employed to control erosion, sand dune stabilization, keep sand off roadways, and to recruit new material in desert areas.

when you breathe in, or inhale, your diaphragm contracts (tightens) and moves downward. this increases the space in your chest cavity, into which your lungs expand. the intercostal muscles between your ribs also enlarge the chest cavity. they contract to pull your rib cage both upward and outward when you inhale.