Answer:
Hi! I don't know how to just pick two or three when they all can get you sicker than you are. Chemo, immunotherapy, and radiation
Explanation:
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 Since you move on foot performing a crosswalk we can withdrawn vehicles and roadways, so the part of the HTS system that includes you is 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>