Which of the following are widely used technologies that are responsible for wasting enormous amounts of energy?
a. the compact fluorescent light bulb and the internal combustion engine
b. solar cells and incandescent light bulbs
c. the incandescent light bulb and the internal combustion engine
d. PV cells and the internal combustion engine
e. LED bulbs and the internal combustion engine
C
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Where is the best place to try to fit the continents together? What will be an ideal response?
Of the following processes involving water, which happens least frequently on Earth and in the Earth's atmosphere?
A) sublimation B) freezing C) evaporation D) melting E) condensation
What areas of the United States face problems from sea-level rise similar to those of Oceania?
What will be an ideal response?
Which of the following possesses all of Earth's properties of area, shape, direction, proximity, and distance, CORRECTLY?
A) A world globe B) Alber's equal-area conic projection C) Mercator projection D) Robinson projection