AP Enviro

3.

A

28. What is the approximate concentration of CO2 N2 and O2 in dry air?

CO2: <1% N2: 78% O2: 21%

78 The graph exemplifies

Competitive exclusion

41. At the 1997 rate of consumption, about how long will 2,000 billion barrels of oil last

75 Years

42. What was the approximate percent increase in consumption from 1986 to 1997

20%

In the majority of less developed countries, the major source of energy for domestic use is which of the following?

Biomass

60. Which of the following terms applies to the economic approach of including external costs in the price of goods and services?

Full-cost pricing

43. Which of the following is most typically associated with the transition from rural to an urbanized society

Reduced birth rates

The most populous countries in the world are china india and

the united states