Question

1.)What caused the change in water quality in Flint, Michigan?

The city was taken off the Detroit water system to save money.

City officials decided to stop fully treating the water to save money.

The Flint River became contaminated which caused lead to get into the water.

City officials ignored the Clean Water Act and allowed wastewater to be dumped into the river.

2.)What is graywater?

household wastewater except for the wastewater from toilets

household wastewater that does not contain surfactants

all wastewater generated from household usage

wastewater generated from indoor household usage

3.)Which data help hydrologists predict floods? Select the two correct answers.

impermeable land area

nitrate levels

water temperature

dissolved oxygen

snowpack

4.)Which of the following water filtration methods requires the use of a membrane or filter?

reverse osmosis

ultraviolet radiation

distillation

chlorination

5.)Which of the following courses should a student take in order to become a hydrologist? Choose the three correct answers.

statistics

geography

coding

physical science

philosophy

chemistry

Answer 1

Answer:

1.  The answer is (A) The city was taken off the Detroit water system to save money.

2. The answer is (A) household wastewater except for the wastewater from toilets

3.   Impermeable land area  and snowpack

4. Reverse osmosis

5. geography , chemistry and statistics

Explanation:

1.  The answer is (A) The city was taken off the Detroit water system to save money.

Flint water is located in the flint city, Michigan. The Flint water crisis is a communal health issue that occurred five years ago. The flint water changed its source from the treated Detroit Water and Sewerage Department water to the Flint River which resulted in the killing of 12 people and infected 87 people with water disease. The cause of its change was a result of the money taken off the Detroit water system to save money.    

2. What is graywater?

The answer is (A) household wastewater except for the wastewater from toilets

3. Which data help hydrologists predict floods?

 Impermeable land area

 Snowpack

Impermeable land area, and Snowpack

The factors listed above are very important in helping a hydrologist to predict floods. There also other factors such as topography, drainage and many more to make the forecast rightly.    

4 the answer is Reverse osmosis  

A filtration using a semi-permeable membrane that has small pores that are adequate to move through the molecule of pure water and avoid solvents and germs from entering is called Reverse Osmosis  

5. The study of Chemistry has to do with the chemical response which is also required to know the chemical response in Water by a hydrologist. The study of geography deals with the study of the earth which water is inclusive, also statistics is required to understand the importance of parameters when compared with one another

Answer 2

Water is the abiotic factor that got deteriorated in Flint, Michigan because the city was taken off the Detroit water system. Thus, the correct options are 1. A, 2. A, 3. A and E, 4. A, and 5. A, B, and F.

Who are hydrologists?

Hydrologists are the people that study and analyze the water and its quality. The water quality in Flint, Michigan changed because the city was removed from the Detroit water system. Hence, option A is correct.

Graywater is household water that gets released from the houses but does not contain the water released from the toilets. Hence, option A is correct. The data from the impermeable land area and snowpacks helps the hydrologists to predict the flood conditions. Hence, options A and E are correct.

The process of reverse osmosis uses the filter and the membrane as the water filtration method. Hence, option A is correct. To become hydrologists the students should take up statistics, geography, and chemistry as the subject. Hence, options A, B, and F are correct.

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