(06.04 MC) Acid deposition has caused nitrogen levels in a lake to increase by nearly 50 percent due to the increase in pollution output from local industries. How will the lake be affected by the increase of nitrogen?

(06.02 MC) Along with Nitrogen Oxides (NOx), which of the following components must be present to produce photochemical smog?

(06.01 LC) Natural sources of carbon dioxide include

(06.05 MC) Shipping overseas is a common practice, and the constant noise from the ships have interfered with the  low frequency communication among aquatic-dwelling creatures like whales. The distance at which their communication could travel has been drastically shortened as a result. Which of the following is likely to be a result of the noise from ships traveling over the waters that whales inhabit?   Pods could become separated. Mating opportunities may be reduced. Food sources will be easier to locate.

(06.05 LC) A shrew is a small mammal that lives underground and navigates its environment using high-pitched sounds. Which of the following would most affect a shrew’s ability to navigate its environment?

(06.01 LC) Natural contributions of CO2 by humans result from

(06.04 MC) Acid deposition in a forest downwind from a coal-burning power plant has caused the soil’s pH to drop below 5.0. How is the forest affected by the pH decrease?

(06.02 MC) Which of the following best describes how a thermal inversion would impact human health?

(06.02 MC) What is a common effect of a thermal inversion?

(08.05 LC) A particular national park is found to be a habitat for an endangered species of rodent. This discovery would most likely lead to which of the following events?