All of the following are commonly mined from sulfide ores except

A. aluminum.
B. lead.
C. copper.
D. zinc.


Answer: A

Environmental & Atmospheric Sciences

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A possible consequence of eutrophication is

A. sequestration of dissolved toxins in lake sediments. B. reduction of nutrient levels in a body of water. C. an increase in the biodiversity of the body of water. D. fish kills, because of the lowered dissolved oxygen in the water.

Environmental & Atmospheric Sciences

Tsunamis account for most fatalities in volcanic eruptions.

Answer the following statement true (T) or false (F)

Environmental & Atmospheric Sciences

vascular or non: fern

What will be an ideal response?

Environmental & Atmospheric Sciences

The very common mineral shown in this photograph is light colored, transparent, and fractures rather than cleaves. What mineral is it?



A) Garnet
B) Quartz
C) Biotite
D) Muscovite
E) Feldspar

Environmental & Atmospheric Sciences