What is the main concern with using low-grade ores to expand mineral reserves?

A. increase in harmful environmental effects
B. increase in price of the mineral
C. lack of adequate processing facilities
D. disruption of high-grade mining


Answer: A

Environmental & Atmospheric Sciences

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The highlands of New Guinea are among the most linguistic diverse regions on the planet. Compose a brief essay explaining why this linguistic diversity is found in New Guinea.

What will be an ideal response?

Environmental & Atmospheric Sciences

While hiking with two of your classmates, you observe an outcrop of sandstone rich in quartz and feldspar. Friend A says that the sand grains in the rock were eroded from a nearby basaltic volcano

Friend B says that the sandstone was derived from a more distant granite outcrop. Which one of your friends is right and why? What will be an ideal response?

Environmental & Atmospheric Sciences

A narrow ridge separating two cirques is called a(n):

a. horn b. arĂȘte c. roche moutonee d. drumlin

Environmental & Atmospheric Sciences

Emigration

A) refers to a move from a place. B) is the same as gross migration. C) does not involve push factors. D) is equal to the difference between voluntary migration and forced migration.

Environmental & Atmospheric Sciences