The answer is b to let her know that he was ok
Answer: The verb tack means to attach, add, or change course. As a noun, tack refers to a small nail, the direction of a ship, or a course of action.
Answer:
True
Explanation:
Because there is also written that I lost many files which are caused by a crash. So, it must be true.
b. The research focus may change as the reader begin to delve into the topic.