Earth Science

 

I NEED THIS DONE IN THE NEXT HOUR

 

Question 1 (Multiple Choice Worth 2 points)

How would a person most likely become ill from fecal coliform in water?

Fecal coliform may contain dangerous bacteria or viruses.

Fecal coliform is associated with cancer in adults.

The water may contain toxic heavy metals.

There are no ill effects of fecal coliform in water.

 

Question 2 (Multiple Choice Worth 2 points)

Which of the following is a major cause of waterborne diseases?

Bacteria

Particulates

Dissolved gases

Sediments

 

Question 3 (Multiple Choice Worth 2 points)

Which of the following would most likely be considered nonpoint source pollution?

Animal waste from a local horse farm seeping into the ground

Increased turbidity from erosion

A car repair shop dumping used oil in the ground

A leaky underground oil tank

 

Question 4 (Multiple Choice Worth 2 points)

Which of the following is an indicator of good water quality?

pH lower than 5.0

High levels of fecal coliform

High levels of dissolved oxygen

All of the above

 

Question 5 (Multiple Choice Worth 2 points)

Which of the following is typically associated with acid precipitation over a body of water?

A decrease in pH

An increase in pH

A decrease in water temperature

An increase in water temperature

 

Question 6 (Multiple Choice Worth 2 points)

Which of the following is an action that people in Florida could take to help protect the Everglades?

Decrease the amount of household detergents they use

Remove photosynthesizing plants from the shores along wetlands

Vote for politicians who support draining sections of wetland for sugar farming

Purchase foods from local farmers who use large amounts of fertilizers on their fields

 

Question 7 (Multiple Choice Worth 2 points)

What is the main piece of legislation governing how water quality is regulated in the Everglades?

Clean Water Act

Dirty Water Act

Clean Up Your Act

Everglades Water Quality Act

 

Question 8 (Multiple Choice Worth 2 points)

Which of the following can cause excess growth of algae in water?

Large amounts of fecal coliform

High nitrate content

High phosphate content

All of the above
 

Question 9 (Multiple Choice Worth 2 points)

A home gets its water from the public supply. Which of the following would be the best way for the homeowner to obtain a water-quality report?

Purchase a home sampling kit on the Internet

Record observations made by smelling and tasting the tap water

Request data from the local water treatment facility

Ask neighbors for a sample of their water to compare

 

Question 10 (Multiple Choice Worth 2 points)

Which of the following is a common source of groundwater pollution?

Oil slicks

Erosion along riverbanks

Spraying crop fields with pesticides

Throwing used beverage containers into a lake

 

Question 11 (Essay Worth 5 points)

Summarize your findings from the Water Quality Lab. Be sure to include your observations and the sources of each water-quality issue you investigated.

 

Question 12 (Essay Worth 5 points)

Sandy completed pH and fecal coliform tests on water samples from the pond in her backyard. She reported the results in the following charts.

© 2010 FLVS
What can you conclude about the water quality of Sandy’s pond over the past year? Explain.