What is karst topography? What are some of the features of karst? What will be an ideal response?
Karst develops by groundwater erosion in areas underlain by soluble rocks. Karst is usually created by
limestone. The topography is characterized by numerous caves, springs, sinkholes, solution valleys,
and disappearing streams.
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The world's dependence on fossil fuels has been increased through subsidies and tax breaks that support fossil fuel processors (oil companies)
Indicate whether the statement is true or false
Rocks such as basalt, on the right side of the igneous rock classification, are darker-colored and have
higher specific gravity than do rocks such as granite, on the left side.c Indicate whether the statement is true or false.
The Earth's atmosphere can cause global warming because ________
A) plants release CO2 B) warm air cannot escape, as in a greenhouse C) plants absorb CO2 D) molecules in the atmosphere trap heat radiated from the Earth's surface E) fossil fuels release heat
Highland climates usually experience ________ compared to the adjacent lowlands
A) slower but larger changes B) smaller temperature and precipitation variations C) similar patterns of change D) higher winds E) faster and larger changes