Distinguish between a mineral species and a mineral variety.
a. Mineral species differ from each other only in color, whereas mineral varieties differ from each other in color and internal structure.
b. A mineral variety, which is a single type of mineral that varies due to the impurities that it contains, is a subsection within a mineral species, which is a collection of mineral specimens that exhibit similar internal structures and chemical compositions.
c. Mineral varieties are assigned to mineral classes, whereas mineral species are subgroups of mineral varieties.
d. Mineral species are differentiated solely by mineral composition, whereas mineral varieties are differentiated solely by mineral structure.
e. A mineral species, which is a single type of mineral that varies due to the impurities that it contains, is a subsection within a mineral variety, which is a collection of mineral specimens that exhibit similar internal structures and chemical compositions.
b. A mineral variety, which is a single type of mineral that varies due to the impurities that it contains, is a subsection within a mineral species, which is a collection of mineral specimens that exhibit similar internal structures and chemical compositions.
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Which of the following locations would form a metamorphic rock?
A) Locations 1 and 2
B) Locations 2 and 3
C) Locations 3 and 4
D) Locations 1, 2, and 3
E) Locations 5 and 6
Greenstone belts are dominated by volcanic rocks in the lower two-thirds and sedimentary rocks
in the upper third. Indicate whether the statement is true or false.
________ built the first offshore wind farm in 1991
A) Denmark B) Mexico C) France D) Spain E) The United States