Most of the metals currently in commercial use ________.
A) were known to the ancients
B) are found only in North America and Asia
C) were discovered in the last two centuries
D) are excavated as native metals and do not require smelting

Question

Quizplus · Accepted Answer

Most metals in commercial use today were discovered in the last two centuries due to advancements in chemistry and metallurgy, which allowed for the identification and extraction of metals not known to ancient civilizations.

Most of the Metals Currently in Commercial Use ________