How does High Density Polyethylene (HDPE) can be improved of the life cycle of consumers use?

The boiling point of propanoic acid is higher than that of 1-butanol because: propanoic acid has a higher molecular weight than 1-butanol. propanoic acid is more soluble in water than 1-butanol. propanoic acid is a better hydrogen bond donor than 1-butanol. propanoic acid forms hydrogen bonded dimers and 1-butanol does not. 1-butanol forms hydrogen bonded dimers and propanoic acid does not.

How heavy is thanos? a) 3000 lbs b) all of it c) the price of tea in china d) heavy enough

Which of the following is not an assumption that scientists must make about the natural world? a. regularity b. causality c. predictability d. plausibility