Differential global positioning system (GPS) would be more useful than a handheld GPS when
A) portability and mobility is important.
B) the system is used in an isolated location far from a cellular telephone signal.
C) extremely precise measurements are needed.
D) two or more measurements are being taken simultaneously.
C) extremely precise measurements are needed.
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According to the I=PAT model, which of the following would most likely reduce a country's environmental impact?
A) Construction of industrial plants to draw on cheaper labor B) Discovery of large reserves of fossil fuels within the country's borders C) Greater use of birth control D) Increased use of electricity and natural gas
Briefly discuss some disadvantages of aquaculture
What will be an ideal response?
?Match the term with the correct description.
A. ?the world's largest ecological restoration project B. ?largest area of coastal wetlands in the lower 48 states C. ?ecosystem service that reduces flooding by storing storm water D. ?has lost 92% of its original coastal wetlands E. ?replacing each area of destroyed wetland with twice the same area of restored, enhanced, or created wetland
Paleomagnetic data plotted on a map suggested that the magnetic pole had moved over time; this
phenomenon was called ____________________. Fill in the blank(s) with the appropriate word(s).