Global warming of the past century, and especially in the past decade, is at least partly a consequence of human activities that have increased ____ in the atmosphere.
A. smog
B. PCBs
C. ozone
D. “greenhouse gases”
Answer: D
You might also like to view...
Less developed countries, compared to industrialized ones, are more likely to have higher tariff rates.
Indicate whether the statement is true or false.
When a market is in equilibrium
A) everyone has all they want of the commodity in question. B) there is no shortage and no surplus at the equilibrium price. C) the number of buyers is exactly equal to the number of sellers. D) the supply curve has the same slope as the demand curve.
Explain how advances in technology are critical to sustaining economic growth, even if capital per hour worked is consistently increasing. Provide a graph of a per-worker production function to support your answer
What will be an ideal response?
When graphed, total variable cost must
a. first slope down and then slope up b. always have a positive slope c. always have a negative slope d. first slope up and then slope down e. be a horizontal line