What is a locally rich concentration of 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
ANS: D
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A. A style of land use planning in agriculture B. Use of plants to increase agricultural production C. Use of specialized plants to clean up the environment D. A method crop rotation
What chemical weathering process is responsible for forming caves?
A. Dissolution B. Oxidation C. Hydrolysis
____________________ and ____________________ are two different types of pressures to which
rocks can be subjected that can cause metamorphism.c Fill in the blank(s) with the appropriate word(s).
Superior mirages appear ________ the observed object, and inferior mirages appear ________
A) larger than; smaller B) above; below C) smaller than; larger D) below; above