Perhaps they will lead Roger to commit other crimes and do other devilish things, or perhaps they will weigh heavily on his conscience as a result of his dishonest means of procuring them.
It would be C. is, it makes more sense saying "it is" and not "it are" or "it am"
Answer:
Because it help us to know where we going is safe or bad
Explanation:
Because i know how to do it
