1. Miniscule mean tiny or extremely small. So therefore, the answer for this question is A.
2. The answer would be A. Since the definition of stereotype is a predetermined notion, particularly about a group of individuals.
3. Clap! Snap! The black crack! is the track sung by the goblins as they run down into Goblin-town after taking Thorin, the dwarves, and Bilbo Baggins. As they chanted they taken out lashes to force the dwarves and the hobbit to get away fast. So therefore, the answer is C.
I waited on the playground for amber
This line could be seen as examples of sensory imaginary. More precisely it is connected to smell because of the potato and sight because of how this person is found "sitting, surrounded.." it might be said that the combination of these two images could give the reader a vision of what the writer is trying to convey.
I think this could be answered a lot of different ways, but here is at least something to get you (hopefully) started:
Some issues are more important to us than others because they may affect us more. If you are a person of color then issues surrounding racism may affect you more than someone else, so the problem may be more important to you than to someone else who "doesn't care." If you are hungry getting food might be a more important problem to you than homework, but the homework may be a bigger problem to the teacher, etc.