Unit 3 review

A sponge like formation of rock, sand, or gravel that holds water

• ozone
• aquifer
• bioassay
• water table

What chemical was used as a pesticide that almost caused the bald eagles to go extinct?

• greenhouse gases
• pH
• chlorofluorocarbon
• DDT

This type of soil is predominately found in Georgia, does not soak up water, and made of fine tightly packed grains?

• clay
• silt
• loam
• sand

What is an increased concentration of pollutants as it travels up the food chain?

• biomagnification
• bioassay
• point source pollution
• non point source pollution

What is an example of point source pollution?

• parking lot
• farm
• urban runoff
• discharge from a pipe coming from a treatment plant

What is considered to be the best type of soil for agriculture?

• sand
• clay
• loam
• silt

Type of pollution that returns warm water to the waterways and decreases the amount of oxygen:

• sediment pollution
• thermal pollution
• biological pollution
• chemical pollution

What type of water pollution is caused by pathogens that make humans and animals sick?

• sediment pollution
• thermal pollution
• biological pollution
• chemical pollution

What type of soil is fine sand, clay, or other material carried by running water and deposited as a sediment, especially in a channel or harbor.

• sand
• clay
• loam
• silt

Disease causing organisms and viruses are known as

• chemical pollution
• thermal pollution
• helpful
• pathogens