Which method of oil spill clean up is shown in this picture?

• Sorbents
• Disperants
• Skimmers
• Booms

What is the main cause of coral bleaching?

• Ocean temperatures dropping drastically
• Overfishing of populations living in the coral
• Ocean temperatures rising by 2 degrees C
• Humans taking coral from the ocean

What is a key characteristic of the recovery zone on an oxygen sag curve?

• All species of fish have left the area
• The dissolved oxygen is at its lowest point
• The biodiversity is the same as the clean zone
• The dissolved oxygen levels are increasing from the septic zone

Which of these is a benefit provided to the environment by wetlands?

• Causes more erosion
• increase decomposition rates
• Filters pollutants out of waterways
• Recreational areas for activities such as kayaking

What type of wetland is shown in this image?

• Non-tidal marsh "Prairie Pothole"
• Fen
• Bog
• Swamp

The source of most irrigation and drinking water is

• flowing surface water such as streams and rivers
• surface water reservoirs such as lakes and ponds
• the ocean
• underground

In the image below, which number is an example of a confined aquifer?

• 2
• 5
• 6
• 9

In the image below, which number is an example of an aquitard?

• 2
• 3
• 8
• 9

Which of these is NOT true about water?

• water expands as a solid
• water is a nonpolar molecule
• water has a neutral pH
• water has a high specific heat

Which process brings water into the ground?

• transpiration
• condensation
• infiltration
• evaporation