Which of these terms accurately describes the nature of the predominant energy sources we currently depend upon?
A. polluting
B. renewable
C. environmentally-friendly
D. benign
Answer: A
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Which of the following was not a mobile belt affecting the North American continent during the
Early Paleozoic? a. Franklin d. Ouachita b. Cordilleran e. Appalachian c. Hercynian
Why are silicate minerals the most common minerals in the crust?
A) because oxygen and silicon are the most common elements in the crust B) because carbonate and oxide minerals are more easily weathered C) because their building block is in the shape of a tetrahedron D) because they include elements such as magnesium, sodium, and potassium
It is imperative that developed countries assist developing countries in economic advancement for sustainability because ________
A) there is a direct connection between poverty and those who suffer the most from environmental degradation B) it is less expensive for developing countries to manufacture the consumer goods needed by developed countries C) all people in developing countries welcome the influx of foreign corporations for economic assistance D) it is easier and less expensive to exploit resources in developing countries E) it is easier and less expensive to create physical and governmental infrastructure to support heavy industry in developing countries
When considering hydrothermal deposits, vein- or fissure-filling deposits of metallic ores such as gold or silver are common in ________
A) rocks of a contact-metamorphic zone that formed around a shallow granite pluton B) pyroclastic materials erupted from a stratovolcano C) impact structures from meteorites D) rocks that form in high-pressure subduction zones