Sam had to mix C. equal parts of the two chemicals for the experiment.
The other options just sound wrong. You need to use an adjective here, and B, D, and F aren't adjectives. A doesn't fit either.
Answer:
The author uses both "surveyed" and "looking" to describe the narrator observing her hands.
Answer:
Huck reacts by not being able to speak or breathe because he is so scared. I think he is starting to realize that life isn't forever and life can be quickly ended by other people, so you have to be careful with what kind of situations you put yourself in and who you surround yourself with.