The separation of the Earth into layers while it was molten was the result of the ________
A) decrease in temperature downward toward the core
B) differing densities of the elements that make up the Earth
C) gravitational force created by the rotating Earth
D) initial collection of materials and their position in Earth
E) presence of water at Earth's surface
B
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Which of the following are solar energy technologies?
A. solar cookers, passive solar heating systems, and translucent solar film B. solar cookers, photovoltaic cells, and active solar heating systems C. translucent solar film, solar cookers, and power towers D. photovoltaic cells, active solar heating systems, and reactive electrosolar systems E. reactive electrosolar systems, solar cookers, and passive solar heating systems
The Congress Party in India is dominated by the
A. Kshatriyas B. Vaishayas C. Brahmins D. Jatis
Source reduction is the preferred "last resort" for pollution prevention.
Answer the following statement true (T) or false (F)
Biomes with permafrost are most likely
A) covered in coniferous forests at high latitudes. B) in temperate zones with deciduous trees. C) located near the poles and without any trees. D) located at high altitudes nearest the equator.