Puzzle 10

Rotating blade used to move a boat or plane.

Cut of meat from the backside of a cow.

Lack of guilt.

Bouncy Australian marsupials.

Fast, rotating storm.

Something that is threatening to biological health.

Trumpeter Louis, known for What a Wonderful World.

It's short for "microcomputer software".

__ attached, a gift given with no expecatations.

Usually the quickest swimming stroke.