tradgedy of the commons
What will be an ideal response?
the tendency of a shared, limited resource to become depleted because people act from self-interest for short-term gain
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A large region of Earth's surface characterized by particular plant and animal types is a(n)
A) biome. B) ecosystem. C) biosphere. D) biomass.
How many people were killed by Mad Cow Disease versus car accidents?
a. About 200 vs. 34,000 b. About 20,000 vs. 25,000 c. About 2,000 vs. 30,000 d. About 20 vs. 30,000
Which of the following is NOT true about Russia's multiethnic state?
A) Nineteen percent of its population is made up of 39 different ethnicities. B) Many ethnic groups are located along the borders such as those with Mongolia and the Caucasus states. C) Uralic speaking ethnicities are concentrated in the region between the Ural Mountains and the Volga River. D) Russia's constitution grants autonomy in local governance to the majority of its ethnic population. E) Russia prohibits secondary official languages to ensure Russian remains pure.
Which horizon is the most valuable for agriculture?
a. A horizon b. E horizon c. B horizon d. R horizon