Which of these is a good characteristic of an instrument shelter where you would want to put a thermometer?
A) completely enclosed box
B) painted white
C) next to a large building
D) in the middle of a parking lot
E) on top of a building
Answer: B) painted white
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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.
Generally, global cities are divided into
A) categories, called forward leaning, stagnant and backward leaning cities. B) two levels, called primate and non-primate cities. C) three levels, called alpha, beta, and gamma. D) four levels, called alpha, beta, gamma and delta. E) None of the above
_______ _____________ ___________ is the total output of goods and services that a country produces for home use in a year
Fill in the blank(s) with correct word
Which of the following caused devastating effects on the marine food chain and was banned in the United States in 1972?
A) DDT B) Methyl mercury C) PCBs D) Polycyclic aromatic hydrocarbons E) Sewage sludge