A. is the correct answer; "Several dirty footprints" makes sense. All the other verbs do not agree with their subjects.
Answer:
Wind, water, tide and muscle - both animal and human - provided sources of energy that are still available to man and are still used to power simple machines in many parts of the world today.
<span>Scout convinces Jem to back off on the Radley game, and then Dill asks Scout to marry him. (Hey, it is the South.) Despite this moment of passion, the boys spend most of their time together and neglect Scout. So, Scout spends her time hanging out with Miss Maudie Atkinson, a usually stand-off-ish old lady.</span>
Well, but he did have some hardships.
