Answer: E) smart
A ________ grid communicates between users and utilities to increase energy efficiency
A) green
B) renewable
C) metered
D) power
E) smart
Environmental & Atmospheric Sciences
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Factors that control river velocity include:
a. Discharge, Gradient, Ocean Tides b. Channel Characteristics, Latitude, Hydrolysis c. Discharge, Channel Characteristics, Gradient d. Gradient, longitude, Dissolved load
Environmental & Atmospheric Sciences
Sedimentary rocks include
A. chemical precipitates (halite, gypsum). B. organically precipitated components cemented together (shells cemented to form limestone). C. organically formed materials compressed together (partially decomposed plant material formed into lignite or coal). D. pieces of other rocks cemented together (sandstone, shale). E. All of the choices are correct.
Environmental & Atmospheric Sciences
What prevents satellites such as the space shuttle from falling?
A) gravity B) centripetal force C) centrifugal force D) the absence of air drag E) Nothing, they continually fall all around Earth.
Environmental & Atmospheric Sciences
Which of the following is not true of UV exposure?
A) UVA radiation is not filtered by the ozone layer and amounts for about 95% of all UV radiation reaching the Earth's surface. B) Only exposure to UVA is a concern, not exposure to UVB and UVC. C) UV radiation is potentially harmful and individuals should take appropriate precautions depending on the UV index. D) UV radiation varies spatially according to the season, local weather conditions, and overhead ozone depletion.
Environmental & Atmospheric Sciences