Which of the following is not one of the three major types of organic fertilizer?
a. green manure
b. sewage sludge
c. compost
d. animal manure
e. All of these are major types of organic fertilizers.
B
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Source separation differs from materials-recovery facilities in all but which of the following?
a. It has lower start-up costs. b. It yields cleaner and more valuable recyclables. c. It produces less air and water pollution. d. It provides fewer jobs per unit of material recycled. e. It saves more energy per unit of material recycled.
What physical factors controls the state of stress in a rock that is being uplifted through the upper crust?
What will be an ideal response?
What force must be overcome in order for mass wasting to occur in most cases?
A. Friction B. Saturation C. Slope
Which of these questions lies outside the realm of science?
A. What is the nature of the human spirit? B. What is the purpose of life? C. both of these D. none of the above