Answer:
Hunters
Explanation:
The author uses verbs like invading and capturing to make it seem like the photographers are "hunting" the lions.
A large magnet. A magnet, regardless of type, is quite heavy. Especially if it's a rather dense one because it'll weight more because of more mass occupying a small space. It's a magnet because of the box's attraction to the steel table rather than concrete. Magnets attract metals instead of concrete.
Typically when the narrator uses information that you could probably find somewhere trustworthy, like a textbook and goes on to give specific information that you would need to know for a unit or group of tests. For example, if the passage says "Christopher Columbus didn't actually mean to find the Americas, I guess you could say it was a happy mistake." That would be academic.