Can some with this second question

Why does a plastic bottle that is sealed at a high altitude change it’s shape when taken to lower altitude

Acandle’s wick is the fabric string that holds the flame, and it burns down at a constant slow pace when the candle is lit. the wick is usually surrounded by wax. which is the most important property of covalent compounds that makes them useful for making candle wax? a low boiling point a low melting point a high boiling point a high melting point

Find the missing probability in the table below a.0.10 b.40 c.0.80 d. 0.20