Although it is relatively common, limestone is an economically important rock type because its major constituent mineral, ________, is used in the production of ________
A) calcite, cement B) calcite, calcium C) halite, halogen D) halite, salt
A
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Despite the development of modern techniques in agriculture, the environment still has a significant effect on food production
Indicate whether this statement is true or false
What makes up about 70% of the Earth's total volume, as it relates to the Earth's structure?
A) crust B) oceanic crust C) mantle D) lithosphere E) magma
The longitudinal profile of a stream:
a. extends across a channel at right angles to the banks. b. extends from source to mouth. c. is used to calculate cross-sectional area. d. is determined from a hydrograph. e. is determined by stream ordering.
The occurrence of earthquakes in the absence of seafloor spreading, oceanic trenches, or volcanic activity is a characteristic feature of
A. convergent boundaries between plates. B. transform fault boundaries between plates. C. subduction zones. D. divergent boundaries between plates.