It is safe when you have metal detector because it can also sensor thieves or shoplifter who wish to bring clothes outside the store. Metal detectors are useful to find hidden metal objects and can detect not just nearby but even metal objects buried underground.
The light, then, is the light that her friendship brought to his life. Her friendship is light -- it is happiness and is joy to Tom. When the two friends stop hanging out, the light goes out of the marsh. The author is saying the joy has gone out of Tom's life.
Ruby becomes disappointed with Tom when the hose leaks and Ruby can no longer dive. The two stop hanging out, and Tom loses her friendship.
(Apex) Answer is C.
<span>"I did right in refusing to create a companion for the first creature. He showed unparalleled malignity and selfishness in evil: he destroyed my friends; he devoted to destruction beings who possessed exquisite sensations . . ." (322).
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The correct answer is D.
The teacher clearly dislikes his students; he describes their work as slovenly and says that he is sick and tired of dealing with them.
He explains that he will not take the last of his energy and waste it on them, since they are so indifferent. While he does not like them, he does not yet hate them. He says if he were to give them the last of his energy, however, he would end up hating them. For now, though, he just dislikes them and waits for the bell.