Invasive Species
What will be an ideal response?
A species that spreads widely and rapidly becomes dominant in a community, interfering with the community's normal functioning.
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Mass is a more fundamental quantity than weight because mass
A. does not vary with location. B. does not depend on gravity. C. both of these D. none of the above
Satellites can only provide photographs; no measurements of properties such as temperature are possible
Indicate whether the statement is true or false
If a government chooses a system of marketable permits as its environmental managing tool, the reduction in pollution will
A. take place in the firms where it is least expensive to do so. B. take place in every firm within the time set by the permit. C. be initiated at the household level. D. be rewarded with refundable charges.
All of the following have been recognized as earthquake precursors except
A. changes in frequency of seismic sea waves. B. changes in electrical resistivity of rocks. C. changes in the ground's surface tilt. D. changes in radon content of well waters.