The bleached, grayish E horizon shown in the diagram here is characteristic of
A) Spodosols.
B) Alfisols.
C) Gelisols.
D) Andisols.
A) Spodosols.
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Cutting back on the pollutants that cause acid rain is one solution to the problem of acidified lakes. Suggest another.
A. add ammonium ions to the lakes B. stop using NaCl to salt the roads in the winter C. add chlorine and filter the water to remove any acidity in the lake D. add a neutralizing substance such as limestone
Chesapeake Bay is the largest estuary in the United States.
Answer the following statement true (T) or false (F)
Ventifacts are ____
a. made of loess b. found on Mars c. the product of stream erosion d. found in sand dunes
Thunderstorms that produce tornadoes?
a. ?have very little cloud-to-ground lightning. b. ?have updraft velocities that exceed 100 miles per hour. c. ?have rotating updrafts. d. ?will not produce hail. e. ?do not exist.