(Ignore This Fam) I'm just answering so I can ask questions.
<span>The Mexican metallogenetic provinces map shows a wide variety of minerals (Fig.3) which include among others: gold, silver, copper, zinc, lead, molybdenum, manganese, fluorite, titanium, coal salt, sulfur and iron.</span>
I believe that would be C.
A noise that produces an echo when it bounces off a distant wall.