1. Living with Earth 1st Edition
Classroom Response System Questions
Chapter 11

2. Amongst the roles that soil plays in the environment are:
11.01
Amongst the roles that soil plays in the environment are:
recycling waste.
transferring matter among Earth systems.
cleaning water.
All of the above
A and C

3. Amongst the roles that soil plays in the environment are:
11.01
Amongst the roles that soil plays in the environment are:
recycling waste.
transferring matter among Earth systems.
cleaning water.
All of the above
A and C
ANSWER: D, [p. 329]

4. Humus is known to be: 11.02 weathered parent material.
soil found in the zone of accumulation.
organic matter.
coarsely chopped up bedrock.

5. Humus is known to be: 11.02 weathered parent material.
soil found in the zone of accumulation.
organic matter.
coarsely chopped up bedrock.
ANSWER: C, [p. 333]

6. Why is bacteria in soil critical to its health and fertility?
11.03
Why is bacteria in soil critical to its health and fertility?
Because the bacteria support vegetable growth.
Because the bacteria fight off diseases that the soil might undertake.
Because the bacteria eat all of the carbon that can ruin the plants.
Because the bacteria undergoes photosynthesis which helps the life of the soil.

7. Why is bacteria in soil critical to its health and fertility?
11.03
Why is bacteria in soil critical to its health and fertility?
Because the bacteria support vegetable growth.
Because the bacteria fight off diseases that the soil might undertake.
Because the bacteria eat all of the carbon that can ruin the plants.
Because the bacteria undergoes photosynthesis which helps the life of the soil.
ANSWER: A, [p. 340]

8. Soil is most susceptible to erosion __________.
11.04
Soil is most susceptible to erosion __________.
wherever bacteria exhaust all of the carbon
wherever vegetation cover is removed
wherever there is too much life in the soil
None of the above because soil cannot be eroded

9. Soil is most susceptible to erosion __________.
11.04
Soil is most susceptible to erosion __________.
wherever bacteria exhaust all of the carbon
wherever vegetation cover is removed
wherever there is too much life in the soil
None of the above because soil cannot be eroded
ANSWER: B, [p. 342]

10. Pesticides and herbicides have major effects on:
11.05
Pesticides and herbicides have major effects on:
soil biodiversity.
health of small animals, only.
quality of water.
health of people, animals, and plants.
All of the above

11. Pesticides and herbicides have major effects on:
11.05
Pesticides and herbicides have major effects on:
soil biodiversity.
health of small animals, only.
quality of water.
health of people, animals, and plants.
All of the above
ANSWER: E, [p. 346]