Neither of these are minerals, B.
Its not A because, they are not natural materials but instead made up of natural materials, like a rubber tree.
Its not C because, like I said, plastic is made from rubber trees, this garentees it doesnt have a crystal structure.
Its not D because, concrete is not a mineral and has indefinite composition.
Biologists assigned universally accepted names to organisms because t<span>hey needed to create a unique name that would be recognized as belonging to one organism.</span>
I believe the answer to your question is the p<span>arietal lobes</span>
