What do you think is the point being made at the very beginning of chapter 5 when Christian tries to catch up with Faithful, is proud of himself for passing him, and then falls?

Shows of how frail we can be and should rely on God for help

Explanation:

This explains how human we are, being human does not make us God's or super hero, it just makes us to realize that we are humans and can fail or fall at any point in time and would need to rely on a greater help than ourselves which is Good himself.

hygrometers and hair thermometers (often found as part of hygrometers/psychrometers) can be used to measure humidity. barometers are used to measure atmospheric pressure, while anemometers are used to measure wind speed. so the 2nd and 4th choices should be the correct answers.