What is the unit for sales

Ifound this on google “aristotle (384–322 bc) in western scientific taxonomy the greek philosopher aristotle was the first to classify all living things, and some of his groups are still used today, like the vertebrates and invertebrates, which he called animals with blood and without blood.” i hope this you for what your looking for.

C- a hypothesis or d- an observation

Closing a ring restricts the rotation around individual car bon carbon bonds hope it will you !