24 points
which of the following is an example of biotechnology?

a petroleum-based lubricant used in farming machinery
a driverless solar powered automobile
a robotic probe on mars that can detect water
a mechanical implant that delivers medicine

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.

In the following redox reaction which is the oxidizing agent and which is the reducing agent? alcl3 + na nacl + al oxidizing agent = reducing agent =

Can someone me with 3 and 4 plz. this is for masteries test.