A subsistence economy is one that ________
A) meets its environmental need by over fishing lakes and rivers
B) meets is environmental needs while causing ecosystem destruction
C) purchases goods and services from others
D) purchases resources for immediate use
E) meets its environmental needs without accumulating wealth
Answer: E
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A. stationary. B. moving. C. part of an electric current. D. spinning.
In reverse the osmosis of sea water to produce drinking water approximately what is the typical residual concentration of salt in the drinking water which is produced?
A) 0 B) 40 ppm C) 400 ppm D) 4000 ppm
Which of the following is most closely identified with multispectral remote sensing?
A) Radar imaging B) Color infrared photography C) Landsat D) Microwave imaging E) Thermal infrared scanning
At the global scale, geographers recognize broad groupings of plants and animals called ________
A) biomes B) niches C) ecosystems D) flora E) habitats