We now know that the warming of the Earth in the last 200 years is largely due to humans and their effects on:
A) environmental pollutants like arsenic
B) atmospheric carbon dioxide
C) organochlorides
D) biomagnified mercury
E) none of the answer choices are correct.
Answer: B
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Economic specialization is an obstacle to achieving economies of scale
Indicate whether this statement is true or false.
What is a nation-state?
A) a large group of people with shared sociocultural traits and a political identity with clear territorial boundaries B) a cultural group with shared sociocultural traits that poses a homeland within a larger country C) a country that has two or more states, for example, the U.S. D) a large cultural group with many different sociocultural traits and its own fully independent political territory E) a large cultural group that possesses a homeland within a larger country
The close connection of Russia with the rest of the former Soviet Socialist Republics is reflected in this term that Russia uses for them:
A) puppet states B) little brothers C) perestroikas D) Near Abroad
Physical weathering is the main process that contributes to the dissolved load of streams
Indicate whether the statement is true or false