He is very curious and determined
It uses it to build magnets
I think the author chose to start the book 19 years before the main events of the story so the reader could absorb things. The author technically wanted the reader(s) to understand something before reading the real story.
If he is very lucky, he doesn't get hurt, but usually they do. There have been people killed by ... as much as an issue as it use to be. So I guess you could also use detectors for life safety as well ...
I hope that helped
If this did not help you could just look it up
Answer:
a. i JUST TOOK THE TEST ON USA TESTPREP.
Explanation:
