What is one of the beneficial results of movement of water within the ground? What will be an ideal response?
Groundwater is filtered of impurities, such as disease-causing microorganisms.
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Provide one example of an environmental cost and one environmental benefit associated with using geothermal energy, solar energy, wind power, and hydro power.
What will be an ideal response?
The original large continental mass containing all of the present continents prior to separation million of years ago has been named _______.
a - Pangea b - Gondwanaland c - Laurasia d - Subduction e - transcurrent
Life expectancy in parts of southern Africa ________
A) cannot be determined due to lack of adequate methods for data collection B) has fallen dramatically since 1990 C) has stabilized due to population control D) is starting to fall E) is on the rise
Which map projection is best at eliminating distortion?
A) Robinson projection. B) Albers equal-area projection. C) Mercator projection. D) All map projections distort.