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emaQuestion 1 (Multiple Choice Worth 2 points)

 

How would a person most likely become ill from overly acidic water?

Question 11 (Essay Worth 5 points)

 

<object:standard:la.910.2.2.3>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)

 

<object:standard:sc.912.n.1.1; ma.912.s.3.2="">Bethany has a fish tank at her house. She uses the following data table to keep track of the nitrate and phosphate levels in the tank.

MonthNitratesPhosphates
January8.0 mg/L0.010 mg/L
February8.1 mg/L0.010 mg/L
March7.9 mg/L0.009 mg/L
April9.2 mg/L0.012 mg/L
May9.7 mg/L0.020 mg/L
June9.9 mg/L0.029 mg/L
July10.6 mg/L0.032 mg/L
August10.8 mg/L0.038 mg/L
September11.0 mg/L0.036 mg/L


Bethany notices that the fish tank is gradually filling with algae. Based on the data she has collected, when did the problem most likely start? Explain.

 


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