|
1
|
|
|
2
|
- Population
- 1. increasing
- a. Nutrition
- b. Births
- 2. 11
- Carrying capacity
- C.
- 1. electricity
- a. Mined
- b. Burned
- 2.
- a. Land
- b. Chemical substances
- 3. plastics
- a. Oil
- b. Pollutants
- 4. paper
- a. Trees
- b. Air pollutants
- 5. garbage
|
|
3
|
- A.
- 1. hurt
- a. Chemical
- b. Herbicides
- 2. help
- a. Organic
- b. No-till farming
- c. Contour plowing
- livestock
- 1. people
- 2. dairy
- lumber; fuel; paper
- 1. Species; rain
- 2. carbon dioxide
- 3. rainfall
|
|
4
|
- D.
- 1. water
- 2. sewers
- a. Volume
- b. Paved
- 3. water supplies
- garbage
- 1. plastic; concrete; or
- clay-rich soil
- 2. decompose
- 3.
- poisonous
- 1. sanitary landfills
- 2. recycled
- 3. plants
- 4. Enzymes
- G. Natural preserves
|
|
5
|
- Resources
- B.
- 1. Reducing
- 2. Reusing
- a. Composting
- b. 20
- 3. Recycling
- 4. landfill space;
- energy use;
- extract raw materials
- from the Earth
|