It can be said that, of the species now listed under the Endangered Species Act, more than half have populations that are either ____________________ or ____________________
Fill in the blanks with correct word
stable, improving
improving, stable
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In order to provide an early warning system, which of the following is least helpful in trying to predict a tsunami?
A) Worldwide seismic networks that broadcast warnings based on an earthquake's potential for generating a tsunami B) Deploying warning buoys to detect small changes in sea level C) Monitoring earthquakes on land D) Considering the tectonic setting and type of plate boundary that is nearby
In carrying out the policy cycle, which of the following groups would probably use intensive media campaigns or even stage a protest?
A. Public interest groups B. Wealthy or powerful individuals C. Industry associations D. Labor unions E. All of these would want as much publicity as possible
Radiometric dating allowed scientists to assign absolute ages to the relative geologic time scale. Indicate whether the statement is true or false
The meanings of elevation and relief imply that
A. elevation and relief are the same when the location is far inland. B. relief must always exceed elevation in coastal areas but elevation must always exceed relief in mountainous areas. C. the units of measurement of elevation must be different from the units of measurement of relief. D. elevation cannot be smaller than relief except when comparing areas below sea level.