Lab: Effects of Human Activity on Freshwater Resources

Question 1

How do acids and bases affect the quality of freshwater sources?

Revolt · Accepted Answer

Acids lower the pH of freshwater and bases raise the pH of freshwater.

Question 2

What did you include in your response? Check all that apply.

Revolt · Accepted Answer

Filtered polluted water is clearer than unfiltered polluted water.; Both unfiltered and filtered polluted water have pH values that are not favorable for organisms that live in and use the water.; The quality of water cannot be based on its appearance.

Question 3

Throughout the reflection, make sure you have a copy of the student guide, PDF or Word, and your data tables. Complete the paragraph using the drop-down menus.

Revolt · Accepted Answer

✔ pH; In this lab, you observed how pollutants affected the of water. You also modeled and observed how pollution affected freshwater sources, including surface water and the water in the .: pH; In this lab, you observed how pollutants affected the of water. You also modeled and observed how pollution affected freshwater sources, including surface water and the water in the .: ground

Question 4

atmosphere✔ groundoceans

Revolt · Accepted Answer

✔ ground

Question 5

Geraldo wants to model the effect of acids on the pH of water for a group of students.

Revolt · Accepted Answer

pesticide; less than 6.65

Question 6

greater than 6.65equal to 6.65✔ less than 6.65

Revolt · Accepted Answer

✔ less than 6.65

Lab: Effects of Human Activity on Freshwater Resources Answers

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