Lab: Effects of Human Activity on Freshwater Resources

Question 1

Which statements describe freshwater sources? Check all that apply.Rainwater can replace or replenish freshwater sources.Precipitation, such as rainwater, is the source of freshwater on Earth.When the amount of surface freshwater increases, so does the amount of groundwater.Human activity, such as taking a bath, may change the quality of a freshwater resource.Pollution in lakes does not affect groundwater because the ground acts as a barrier or filter.

Revolt · Accepted Answer

Rainwater can replace or replenish freshwater sources.; Precipitation, such as rainwater, is the source of freshwater on Earth.; When the amount of surface freshwater increases, so does the amount of groundwater.; Human activity, such as taking a bath, may change the quality of a freshwater resource.

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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