similar amount of privately held land and place it in conservation
easements. This trade-off approach to addressing an environmental issue is
known as (A) sustainability
(B) remediation
(C) preservation
(D) restoration
(E) mitigation
- Which mobile source pollutant cannot be currently controlled by emission
control technology?
(A) Ozone-forming hydrocarbons
(B) Carbon monoxide
(C) Carbon dioxide
(D) Air toxics
(E) Particulate matter
- A new cancer drug was being tested on rabbits. The study found that it took
400 milligrams of the drug to kill half of the rabbits whose average weight
was 4 kilograms. The LD 50 for the drug was (A) 0.01%
(B) 0.1 g/kg
(C) 50 mg/kg
(D) 10 mg/kg
(E) 100 g/kg
- Which of the following statement(s) about global warming is/are FALSE?
I. On a global scale, as average global temperatures rise, there are
decreasing amounts of precipitation.
II. The strongest and earliest impacts on global warming have
occurred in the tropics.
III. Some forms of air pollution in the atmosphere can act to cool the planet
by reducing the amount of solar radiation that reaches Earth’s surface.
(A) I and II
(B) I and III
(C) II and III
(D) All statements are true.
(E) All statements are false.
