The best ecosystem management requires
A) good stewardship and sustainability.
B) planned disturbances and careful timing.
C) restoration ecologists.
D) government regulation and control.
A
You might also like to view...
Which of the following five locations will have the coldest average temperature in January?
A) Kiev
B) St. Petersburg
C) Vladivostok
D) Moscow
E) Verkhoyansk
What is the correct chronological order of changes that affected the world economy in the late twentieth century?
A) (1)Massive geopolitical realignments occurred; (2)Slowdown in economic growth rates in industrialized countries; (3)Competitive rivalry among industrialized countries increased significantly; (4)Global financial markets underwent a profound series of alterations. B) (1)Slowdown in economic growth rates in industrialized countries; (2)Competitive rivalry among industrialized countries increased significantly; (3)Global financial markets underwent a profound series of alterations; (4)Massive geopolitical realignments occurred. C) (1)Global financial markets underwent a profound series of alterations; (2)Massive geopolitical realignments occurred; (3)Slowdown in economic growth rates in industrialized countries; (4)Competitive rivalry among industrialized countries increased significantly. D) (1)Competitive rivalry among industrialized countries increased significantly; (2)Global financial markets underwent a profound series of alterations; (3)Massive geopolitical realignments occurred; (4)Slowdown in economic growth rates in industrialized countries. E) (1)Competitive rivalry among industrialized countries increased significantly; (2)Massive geopolitical realignments occurred; (3)Global financial markets underwent a profound series of alterations; (4)Slowdown in economic growth rates in industrialized countries.
When an aircraft flies above a cloud layer composed of water droplets less than 50 µm in diameter, a set of colored rings, called the ____________________, may appear around the shadow of the aircraft
Fill in the blank with correct word.
What is the primary chemical responsible for the ozone hole?
A. carbon monoxide B. carbon dioxide C. methane D. smog E. CFCs