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water and land pollution
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water and land pollution

learn about

introduction

START

In recent decades, water and land pollution has increased drastically. This is due to increased urbanization and industrialization as well as expanded chemical usage on farms, among many other factors. Water and land pollution can greatly disrupt ecosystems and cause harm to plants, animals, and humans. Your goal is to answer questions about water and land pollution correctly in order to learn a series of numbers that will allow you to access a clean environment.

introduction

water and land pollution

learn about

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QUESTION 01

Which law mandates the restoration and maintenance of the chemical, physical, and biological integrity of the nation's water?

Comprehensive Environmental Response Compensation and Liability Act

Safe Drinking Water Act

Clean Water Act

Resource Conservation and Recovery Act

QUESTION 02

Which of the following would NOT be considered a point source of pollution?

Air exhaust from the tailpipe of a car

Waste water from a sewage pipe

Fertilizer runoff from a lawn

Smoke from a smokestack

QUESTION 03

What naturally occurring chemical builds up over time in an organism, inflicting major harm on fish, birds, and mammals, and is this an example of biomagnification or bioaccumulation?

Nitrogen and biomagnification

Nitrogen and bioaccumulation

Mercury and bioaccumulation

Mercury and biomagnification

QUESTION 04

All of the following are impacts of sediment pollution on waterways EXCEPT

Imbalanced nutrient content of waterways

Increased turbidity of waterways

Decreased water temperature

Reduced oxygen content of water

CONGRATULATIONS

The first number is:

2

QUESTION 05

Which of the following is NOT a cause of thermal pollution?

Nuclear power plants

Recreational activities like boating

Oil spills

Irrigation systems which draw water from natural water sources

QUESTION 06

Which of the following is a common characteristic of lakes undergoing cultural eutrophication?

Decreased amounts of green and blue-green algae

Increased water clarity in the epilimnion

Increased levels of plant nutrients

Decreased rates of sediment accumulation

QUESTION 07

Eagle Harbor, a large neighborhood, is on one side of Lake Loot. On the other side of the lake, there are two farms and an industrial plant. Because the lake is downstream from the farms and plant, many different chemicals runoff into the lake, polluting it. The people and animals in Eagle Harbor then use that water in their everyday lives. Choose all of the following possible effects if the people and animals use the water on a regular basis.I. People will start to experience dizziness and weakness brought about by pesticide runoff.II. Only the people drinking the water everyday will start to experience problems.III. Some animals start to develop liver problems due to the copper runoff from the industrial plant.IV. Birds will migrate right away after the runoff starts to happen.

II and III

III and IV

I and III

I, II, and IV

QUESTION 08

Which of the following diseases is most often caused by pathogen pollution in water from animal and human waste?

Severe Acute Respiratory Syndrome

Middle East Respiratory Syndrome

Cholera

COVID-19

CONGRATULATIONS

The second number is:

7

QUESTION 09

Integrated waste management employs all of the following EXCEPT

Using tires for the construction of artifical reefs

Using refillable soft-drink bottles

Using disposable diapers instead of cloth diapers

Redesigning automobiles to replace steel parts with aluminum and plastic parts

QUESTION 10

Which of the following correctly describes an abiotic water quality indicator?

Macroinvertebrates of different types tell us about the oxygen levels and overall quality of the water.

Salinity tells us how cloudy or clear the water is.

Biochemical oxygen demand tells us the amount of oxygen a quantity of water uses over a period of time at a given temperature.

Turbidity tells us the salt content of the water.

QUESTION 11

Which of the following are biotic indicators of water quality?I. Fish diversityII. Benthic algal growthIII. Macroinvertebrates

I and II

Only I

I, II, and III

II and III

QUESTION 12

Which of the following is a true statement about waste disposal in landfills?

Landfills do not contribute to increased concentrations of greenhouse gasses.

When waste in a landfill degrades, it improves the soil quality.

Groundwater can become contaminated due to a transport mechanism.

Landfills help to remove toxic substances from the surrounding environment.

CONGRATULATIONS

The third number is:

1

QUESTION 13

Which of the following accurately describes one of the steps of water treatment in sewage treatment plants?

The primary and seconday treatments both focus on removing chemical waste components from the water.

The primary treatment removes organic matter from the water.

The tertiary treatment uses chemicals to treat the water.

The secondary treatment removes solids from the waste water.

QUESTION 14

For a certain insecticide, the LD-50 dosage level for rats is determined to be 250 milligrams per kilogram of body mass. On the basis of this information, which of the following is the best prediction regarding the consequences of receiving this dosage of the insecticide?

Five hundred out of every one thousand people would experience acute effects.

Fifty percent of any rat population would be sickened.

Five hundred out of every one thousand rats would die.

Fifty percent of the population of any warm-blooded animal would die.

QUESTION 15

Which of the following options describes a retrospective study?I. A study which observes the long-term impacts of chemical weapons in World War II veterans.II. A study monitoring the health of individuals who may come into contact with dangerous pesticides in the future.III. A study recording the developmental impacts of people exposed to endocrine disruptors when they were children.

II and III

Only I

I and III

Only II

QUESTION 16

Which of the following statements about toxins, a type of chemical risk, is correct?

Allergens interfere with the normal functioning of hormones in an organism's body.

Carcinogens can cause birth defects in fetuses.

Neurotoxins disrupt the functioning of the nervous system.

Teratogens can cause cancer.

CONGRATULATIONS

The last number is:

9

Enter the correct password.

OK

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9

1

3

4

5

6

7

8

2

CONGRATULATIONS!