1. By Mark Carrillo, Xavier Heredia
Pollution
By Mark Carrillo,
Xavier Heredia

2. What Types of Pollution Are There?
Water Pollution
Air Pollution
Soil Pollution
Light Pollution

3. Water Pollution
1. Water pollution can occur in oceans, rivers, lakes, and underground reservoirs. 2. Water pollution is caused by organic material decay in water supplies 3. The effects of water pollution decreases the quantity to drink water

4. Air Pollution
1. Air pollution is any contamination of the atmosphere. 2. Air pollution comes from a wide variety of sources. 3. Scientists believe global warming is also related to increase air pollution.

5. Soil Pollution
1. Soil contamination can lead to poor growth and reduced crop yields. 2. Plants depend on the nitrogenous in the soil for their nutrition. 3. Plants are responsible for holding the soil together.

6. Light Pollution
1. Bright lighting in big cities causes light pollution. 2. Bright lights strain the eyes and give headaches. 3. Light pollution makes it impossible to see stars.

7. References