Question

an auto mechanic has an idea to make a tool that will make his job easier. he has a machinist friend make a prototype of it. a patent will protect the: measurements supplies production process idea

Explanation:

Patents protect inventions, which are new ideas for products or processes. They give the inventor exclusive rights to make, use, and sell the invention for a certain period. In this case, the auto - mechanic's idea for a tool is what a patent would protect.

Answer:

D. idea