Puzzle 18

The coldest possible temperature is this zero.

To persuade someone to believe or do something.

Typing apparatus for a computer.

Alternative quick route, opposite of the long way.

Kings and queens; a type of butterfly.

The decapitated horseman from Sleepy Hollow.

Duck-billed mammal that uniquely lays eggs.

Dunk these hard Italian biscuits in coffee.

Bangkok is the capital of this Asian country.

The last 30-day month of the year.

Precious green gems.

Seldom is this word's antonym; often.