How is it possible for percolating groundwater to both remove mineral material and deposit it?
What will be an ideal response?
Answer: Under pressure, groundwater including carbon dioxide acts as a weak acid dissolving rock material. In solution, they move with the groundwater and can be left behind has groundwater cools or has its pressure lowered by entering cavities, forced to have minerals come out of solution.
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Tropical grasslands differ from middle-latitude grasslands in that:
a. the environmental control factor of fire is insignificant. b. savanna grasses are very short. c. the tropical grassland includes a scattering of trees. d. all of these
If demand forces metal prices up, all of the following can be expected except
A. development of lower-grade ore deposits. B. disturbance of more land area for mineral extraction. C. reclassification of some resources as reserves. D. significant rapid increases in total world metal resources.
Minifundia commonly raise coffee and bananas for export abroad
a. True b. False Indicate whether the statement is true or false
What was the significance of the Library of Alexandria? How did it obtain information? What
happened to the library? Include relevant dates and famous people associated with the library. What will be an ideal response?