What is a locally rich concentration of metallic minerals that can be mined economically and is legally
recoverable with existing technology?
a. ore
b. ore minerals
c. mineral deposits
d. mineral reserves
e. vein
A
Environmental & Atmospheric Sciences
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The process of legally adding land area to a city is known as gentrification
Indicate whether the statement is true or false.
Environmental & Atmospheric Sciences
Thick deposits of Silurian evaporites are important sources of various _______________
Fill in the blank(s) with correct word
Environmental & Atmospheric Sciences
Which one of the following is a sedimentary rock?
A) limestone B) rhyolite C) slate D) quartz
Environmental & Atmospheric Sciences
What became a U.S. colony after it was taken from Spain in 1898?
A) East Timor B) Indonesia C) Laos D) Philippines E) Taiwan
Environmental & Atmospheric Sciences