Identify four key environmental problems that North Americas face in the early 21st Century?
What will be an ideal response?
Climate change, water and air quality, acid rain, fracking, and fossil fuel extraction are all possible answers.
You might also like to view...
The most direct and fundamental relationship between overgrazing and soil erosion is that
A) overgrazing leads to soil compaction. B) overgrazing increases that amount of suspended particles in the air. C) overgrazing causes eutrophication. D) overgrazing leads to the loss of vegetation.
Earth's composition was originally homogeneous
Indicate whether the statement is true or false
Approximately what percent of geologic time is represented by the Precambrian? Which period within the Phanerozoic eon represents the longest interval of time? How long is it?
What will be an ideal response?
Which type of mass movement is most common in embankments or earth dams?
a. earth flow b. lateral spread c. translational slide d. rotational slide