Question 1
Which of the following is NOT true of effects of soil OM on plants and soil?
◦ increase in soil CEC
◦ modification of pesticide activity
◦ increase in soil compaction
◦ increase in soil aggregation
Question 2
Which of the following is true of the impact of eutrophication on water quality and ecology of the water bodies?
◦ Microorganisms that decomposing dead algae use oxygen.
◦ Costs of water purification are reduced.
◦ Light penetration increases in deeper waters.
◦ There is an increase of dissolved oxygen in water.