____________________ are examples for nonmetallic mineral resources.
A) Gold and silver
B) Sand and gravel
C) All types of iron oxides
D) Crystals in magma chambers rich in platinum

Question

Quizplus · Accepted Answer

Sand and gravel are examples of nonmetallic mineral resources, as they are used in construction and do not have metallic properties. Gold, silver, and iron oxides are examples of metallic mineral resources. Crystals in magma chambers rich in platinum are not a commonly known type of mineral resource.

____________________ Are Examples for Nonmetallic Mineral Resources