Barrons AP Environmental Science

(B) In 1980, Congress passed the Superfund statute providing broad authorities both to respond to chemical e ...

(C) Environmental resistance or limiting factors consists of all factors in an environment that limit a popu ...

(A) Refer to “Plate Tectonics” in Chapter 1. ...

(C) The emissions to the atmosphere from coal-burning power plants contain 84 of the 187 hazardous air pollutan ...

(C) Also known as Superfund, CERCLA is a law designed to clean up sites contaminated with hazardous s ...

(D) Green plants are the producers that can store enough energy to provide the basis upon which a communi ...

(C) Snakes feed on rodents. At each trophic level, energy is lost. Therefore, the snakes must consume more ...

(B) Alley cropping is used to enhance or diversify farm products, reduce surface water runoff and erosion, ...

(B) The population had grown by 1,300 (4,000 births – 3,000 deaths + 500 immigrants – 200 emigrants = 1,3 ...

(D) Less energy is available at each trophic level because energy is lost by organisms through respiration ...

(C) Secondary consumers are carnivores that feed upon the flesh of other animals (e.g., a snake eating a ...

(B) Both lizards and arachnids eat grasshoppers. Competition is the struggle between different species for the same ...

(C) Saprophytic agents gain nourishment from dead organic matter, and they are the organisms of decay. Bacteri ...

(D) When resources are scarce, the price goes up (law of supply and demand). The increase in prices cau ...

(A) Diagram A, also known as an expansive pyramid, shows a broad base, indicating a high proportion o ...

(E) The thermohaline circulation plays an important role in supplying heat to the polar regions, and thus ...

(D) Car A travels 500 miles at 15 miles to the gallon and therefore uses about 500/15 = 33.3 gallons of ga ...

(E) Earth is actually closest to the sun during the Northern Hemisphere winter. ...

(D) As the ocean warms, it expands and sea level rises, accounting for about one-third of the approximately 8 i ...

(A) Besides the effects already listed, additional effects include: ■ Flattens the ocean bottom, filling in holes, leve ...