Which of the following is a common use of a mineral?
A. phosphorous is used in fertilizer
B. halite is used as salt
C. feldspar is used in ceramics
D. hematite and magnetite are used for iron and steel
E. All of these choices are correct.
Answer: E
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A welded igneous texture indicates that
A) there was a lot of gas in the magma. B) the rock cooled quickly. C) the rock broke apart as it flowed. D) the rock cooled slowly. E) the ash and pumice were hot and became compacted.
Do you see any evidence that the water table is at the surface or that the region is poorly drained? Describe at least two types of features that would show a high water table or poor drainage.
What will be an ideal response?
Because of its extensive history, soil resource issues in Europe have always been a top priority.
a. true b. false
The surface between the saturated zone (below) and the unsaturated zone (above) is called the:
a) water table b) hard pan c) saturated lid d) recharge zone e) head level