(A) increases runoff
(B) increases flood risks
(C) increases potential for landslides
(D) increases infiltration
(E) accelerates soil erosion
- All of the following have an impact on the nitrogen cycle EXCEPT
(A) the application of inorganic fertilizers applied to the soil (B) the action
of aerobic bacteria acting on livestock wastes (C) the overplanting of
nitrogen-rich crops
(D) the discharge of municipal sewage
(E) the burning of fossil fuels
- Which of the following is a macronutrient essential for the formation of
proteins?
(A) Sulfur
(B) Nitrogen
(C) Iron
(D) Cobalt
(E) Molybdenum
- Which of the following bacteria are able to convert soil nitrites to nitrates?
(A) Nitrosomonas
(B) Nitrobacter
(C) Rhizobium
(D) Penicillium
(E) Clostridium
- Which of the following are the largest phosphorus sinks?
I. The atmosphere
II. Ocean sediment
III. Lakes
IV. Sedimentary rock
V. Tropical rainforests
(A) I and III
(B) II and IV
