Question 1
Which of the following is correctly matched?
◦ 3: a zone of illuviation in the soil horizon.
◦ 4: unweathered sediment or consolidated bedrock.
◦ 6: a zone of eluviation in the soil horizon.
◦ 2: a zone of 20% or more organic matter
Question 2
Which of the following is
false regarding loess?
◦ It consists of fine-grained clays and silts and can form vertical cliffs.
◦ It serves as good agricultural land.
◦ It is derived from glacial outwash plains or deserts.
◦ It has low binding strength.
