Which Major Islands and Minerals of the World term is correctly associated with important identifying fact: “valued as an electrical and thermal insulator”, and also with “a sheet silicate mineral group”?

Correct Answer: Option D — Mica. Mica is correct because it is valued as an electrical and thermal insulator. Mica is also associated with a sheet silicate mineral group. A further identifying fact is that Mica is valued as an electrical and thermal insulator. Another useful fact is that Mica is associated with a sheet silicate mineral group. Why the other options are incorrect: Option A — Greenland: It is the world's largest island that is not a continent and is associated with located between the Arctic and North Atlantic oceans; those are the identifying facts of Greenland. Option B — New Guinea: It is politically divided between Indonesia and Papua New Guinea and is associated with located north of Australia in the western Pacific; those are the identifying facts of New Guinea. Option C — Borneo: It is shared by Indonesia, Malaysia and Brunei and is associated with located in Southeast Asia; those are the identifying facts of Borneo. Exam Takeaway: Link Mica with “valued as an electrical and thermal insulator” and “a sheet silicate mineral group” for quick revision.