Answer:
a. tangible and intangible property created from a unique idea
Step-by-step explanation:
When someone has an idea, an invention, and a creation, this is considered their intellectual property, and it can be protected by law in order to ensure their rights. There are several ways to protect someone's intellectual property: patent (this is for an invention, which is something tangible, but it originated from an unique idea), copyright, trademarks , etc.