Find the product of (x+a)(x-a)​

Arollercoaster car at the top of a hill has potential energy kinetic energy chemical energy light energy

Select each correct answer. more than one answer may be correct. which of the following is a characteristic of unicellular organisms? they can possess tissues and organs. all of their functions are performed by a single cell. they are usually microscopic. each of their cells is specialized to perform a specific function.

When a scientific theory has been tested and proved by the scientific community, it becomes a law