Which would react chemically by forming a covalent bond?

in my opinion, ap calculus was the most difficult. i often struggled with it a lot. however, i have gotten a lot better.

answer: inference

explanation:

an inference can be understood as a conclusion to which a person is able to get based on reasoning. it is the same as a deduction, a guess, an assumption.   in the sentence presented, the conjunction "but" gives the readers an idea of contrast, and, therefore, allows them to induce that despite the opponent's characteristics, andrea had something different that made her win.

misty passage from the question

caminas makes the most sense here since it means to walk.