Experts are particularly concerned about the U.S.depletion and lack of national reserves of manganese,cobalt,chromium,and platinum because they are nonrenewable ____ resources.
A) security metal
B) strategic metal
C) biogenic metal
D) rare metal
E) trace metal

Question

Experts are particularly concerned about the U.S.depletion and lack of national reserves of manganese,cobalt,chromium,and platinum because they are nonrenewable ____ resources.​
A) ​security metal
B) ​strategic metal
C) ​biogenic metal
D) ​rare metal
E) ​trace metal

Quizplus · Accepted Answer

The term "strategic metal" is commonly used to describe nonrenewable resources that are important for national security and economic development. Manganese, cobalt, chromium, and platinum are all considered strategic metals due to their use in various industries such as aerospace, defense, and electronics. The lack of national reserves of these metals could potentially lead to supply chain disruptions and dependence on foreign sources.

Experts Are Particularly Concerned About the U