Pepsin is an enzyme that is primarily involved in the digestion of the proteins in the steak.
In order to answer this question you have to sort out all the parts the parts of the highway transportation system, to be more exact, there are only three general ones, which are: people, vehicles and roadways. Since you move on foot performing a crosswalk we can withdrawn vehicles and roadways, so the part of the HTS system that includes you is <span>roadway users.</span>
Answer:
Some good examples can be glass, metal, bone, and plastic.
Explanation: