Which one of the following sources of energy is both renewable and sustainable?
A) Natural gas used to heat homes
B) Gasoline used to run cars
C) Hydroelectric dams
D) A coal-fired electrical power plant
C
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The elements of weather include
A) latitude and humidity. B) temperature and precipitation. C) the seasons and clouds. D) humidity and global warming.
Which of the following statements is false?
A) The atomic spectrum of helium is different from the atomic spectrum of neon. B) Electromagnetic radiation often behaves like a wave. C) An atomic spectrum is an element's fingerprint. D) An atom emits electromagnetic radiation when an electron moves from a lower energy level to a higher energy level. E) Light that is high in energy has a high frequency.
In a region where severe thnderstorms with tornadoes are forming, one would not expect to
observe a. a strong ridge of high pressure over the region. b. a dry tongue of cold air between the 700 and 500 mb levels. c. the polar jet stream above the region. d. moist warm air moving north at about the 850 mb level.
Braided streams, such as the Brahmaputra River, are found in areas
A) where the load is higher than the capacity. B) where the bed and suspended loads are high. C) that are subject to new sediment from glaciers or landslides. D) subject to sediment deposition on the river bed. E) all of the above