1) Suburban communities have generally thrived economically while cities have declined economically because:
A) higher population density in the suburbs means more tax dollars.
B) there are fewer people in the suburbs.
C) suburban residents have higher paying jobs.
D) suburbs received more funds from the Highway Trust Fund.
E) services provided by the local governments are financed mainly through property taxes which have declined in cities and increased in suburbs.

2) Which of the following is NOT a significant source of indoor air pollution?
A) cooking.
B) use of hobby glues and paints.
C) house plants.
D) smoking.
E) use of cleaning agents.

3) Most collection and disposal of municipal solid waste is the responsibility of the:
A) federal government.
B) local government.
C) individual homeowner.
D) state.
E) EPA.

4) Biogas is derived from
A) the anaerobic digestion of sewage.
B) the fermentation of sugars.
C) capturing the steam produced by turbogenerators.
D) the burning of wood.
E) photosynthetic plants

5) Which of the following is true of the status of women in developing
countries?
A) women are better educated than men.
B) lack of education does not limit economic opportunities for women.
C) women are given equal opportunities in education and employment.
D) lack of education and discrimination limit economic opportunities for women.
E) women are not interested in further education or employment.

6) The portion of a population that survives to become a part of the breeding population is referred to as the
A) recruitment level.
B) reproduction strategy.
C) critical number.
D) population equilibrium.
E) carrying capacity.

7) In a food chain, the trophic level that has the greatest biomass is the:
A) primary consumer.
B) predator.
C) producer.
D) third order consumer.
E) secondary consumer.

8) Which of the following would be considered INORGANIC?
A) living organisms
B) dead organisms
C) nitrogen, and water
D) complex molecules that make up tissues of living organisms
E) wood and leather

9) This step in the scientific method explains how things work in the natural world
A) experiment
B) hypothesis
C) observation/question
D) theory

10) Which of the following best describes biodiversity?
A) the sum of all plants, animals, and microbes on the planet
B) the sum of all plants and animals on the planet
C) the kinds of trees and other plants in a forest
D) the kinds of plants and animals in a forest
E) plants and animals but not bacteria