SCI 200 Milestone 3 PDF

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Sophia Environmental Science Milestone Three ......

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You passed this Milestone 21 questions were answered correctly. 3 questions were answered incorrectly. 1

Of the options below, which is an example of a non-point source of water pollution?  A homeowner fails to repair a deteriorating septic tank.  A limousine company maintains a fleet of 15 cars in a garage.  

A factory discharges its wastewater directly into the nearby river. Fertilizer and pesticides run off from the community’s two golf courses.

CONCEPT Water Pollution

2

Which of the following is an example of a sustainable agricultural practice?  Maura attracts birds, insects and spiders that are natural predators of crop pests.   

Noah applies a new fertilizer to fix nitrogen in the ground. Jerome establishes a corn monoculture to increase his farm's production. Patrick supplies local restaurants with a variety of produce by rotating his crops regularly.

CONCEPT Agriculture Impacts

3

Which of the following is NOT a way humans negatively affect groundwater?  Humans build dams to provide water for agriculture.  Humans lower the water table.  Humans poison the water with chemical runoff.  Humans build structures with impermeable surfaces.

CONCEPT Water Supply

4

Which of the examples below describes an effort to address urban sprawl through urban green space?  A small city maintains a park and forest within its downtown as new businesses build around it.



The city razes a former dry cleaners downtown, cleans up the chemicals in the soil and builds a sculpture garden.



A new restaurant is constructed on a lot on the edge of town, bypassing several vacant lots within the city. The city converts an old factory downtown into affordable housing for young people.



CONCEPT Addressing Urban Sprawl

5

Which statement below is NOT true about agricultural crops?  Rice and corn provide most human caloric needs.  Potatoes and corn are examples of subsistence crops.  Subsistence crops include tobacco, rice and latex.  Wheat, rice and corn are the dominant crops.

CONCEPT Agriculture Practices

6

Which of the following is currently increasing because of human population growth and its associated impacts?  Land available for crops  Freshwater supplies  Non-renewable resources  Sea levels

CONCEPT Population Growth Solutions

7

Choose the FALSE statement about undernourishment and malnourishment in the world.  Producing more meat is the most effective way to increase food access.  Deforestation can create more arable land to feed more people.  Some areas have more food than they can use while other areas don't have enough food.  There is enough food produced on the planet to meet the population’s nutritional needs.

CONCEPT World Nutrition

8 Which statement describes the environmental impact of developing

countries?  These countries rely on technology to improve crops and food production.  These countries leave the largest ecological footprint.  Individuals in these countries benefit from efficient food distribution systems.  Individuals in these countries have to degrade the environment to meet basic needs.

CONCEPT Human Population Growth Agriculture Practices World Nutrition Water

9

A dam is built to create a lake for the public’s use as a recreational site for swimming, fishing and boating. Choose the statement that is NOT likely to be an impact of building the dam.  Animal populations are displaced.  Water in the lake becomes a breeding ground for mosquitoes.  Trees, plants and habitats are destroyed.  The availability of freshwater for human use is threatened.

CONCEPT Water Supply

10

Scientists discover that fish have abnormally high levels of lead in their bodies. Which type of waste disposal most likely caused this phenomenon?  Composting  Ocean dumping  Landfills  Combustion

CONCEPT Solid Waste

11

People in developed countries consume approximately __________ of all meat.    

76% 80% 96% 90%

CONCEPT Agriculture Practices

12

Which of the following is NOT an impact of urban sprawl?  Increased land for agriculture   

Watershed pollution Increased crime in abandoned areas Reduced biodiversity

CONCEPT Urban Sprawl in the US

13

When Connie makes potato salad, she always puts the potato peels in the garden. Which waste disposal method is Connie practicing?  Landfill  Reuse  Compost  Recycle

CONCEPT Solid Waste

14 Which of the following is NOT a consequence from the runoff of

fertilizers into the water supply?  Bodies of water are contaminated.  Fish die due to lack of oxygen in the water.  Algae growth disrupts a lake’s ecosystem.  Agriculture ecosystems are destroyed.

CONCEPT Fertilizers and Pesticides

15

Which statement about efforts to address water pollution in the United States is true?  Less than a quarter of waterways in the country remain compromised.  The state with the most polluted bodies of water has been greatly improved.  The Clean Water Act protected water sources but did not address the discharge of pollutants.  Earth Day was originally established with a sole focus on protecting waterways.

CONCEPT Efforts to Address Water Pollution in the United States

16

Select the example that describes a political cause of famine.  A country does not have the purchasing power to import food.  An administration halts food distribution to certain parts of a country.  

A severe drought limits foods produced in a heavily populated area. Farmers lack the money to acquire the seeds of a new corn hybrid.

CONCEPT World Nutrition

17

Choose the statement about human population growth that is NOT true.  Humans are the major cause of environmental depletion and their impact increases in proportion to population growth.   

The impacts of human population growth include pollution, resource depletion, species extinction and climate change. The standard of living in a developing country requires a living space of about two football fields per person. The ecological footprint is expressed in terms of land area required to sustain human activities.

CONCEPT Human Population Growth

18

Acidic water containing chemicals and heavy metals from an abandoned coal mine has washed into a nearby river. All of the following are possible outcomes of this water pollution EXCEPT __________.

   

A decrease in safe drinking water A disruption of plant and animal life cycles An increase in human health risks An erosion of soil which enters waterways

CONCEPT Water Pollution

19

Choose the true statement about water on Earth.  Oceans contain approximately 90% of the water on Earth.  Freshwater is found in glaciers, ice, rivers, lakes and below ground.  Humans can easily access a large percentage of the Earth’s freshwater. 

Oceans cover about 50% of the Earth’s surface.

CONCEPT Water

20 Choose the statement that is NOT true about water availability on

Earth.  Agriculture uses the majority of available freshwater.  Water use has been growing at twice the rate of population.  Household consumption of freshwater is greater than industrial consumption.  One-fifth of the Earth’s population lives with a scarcity of water.

CONCEPT Water Availability

21

Which statement about agroecosystems is true?  Monoculture decreases the use of chemicals.  Agroecosystems have low species and habitat diversity.  Agriculture does not change the natural environment.  Agroecosystems are similar to natural ecosystems.

CONCEPT Agriculture Impacts

22

Which of the following is true about water supply and demand?  People waste less water than they once did.  Water supply is fixed and unchanging.  Water use is growing twice as quickly as the population.



The amount of available clean water is increasing.

CONCEPT Water Availability

23

John is cleaning out his garage. He has antifreeze, brake fluid and transmission fluid to dispose of. He knows they are poisonous and considered hazardous waste, so he must dispose of them properly. John is most concerned about which of the following hazardous waste characteristics of these fluids?  Toxicity   

Reactivity Ignitability Corrosivity

CONCEPT Hazardous Waste

24

John and Cheryl want to avoid using pesticides as much as possible on their farm. They rotate crops to disrupt insect mating cycles and introduced some common pests’ natural predators into their fields. Their neighbor is trying to keep pests from their crops and gardens too, so they ask John and Cheryl for advice. Of the options listed below, which suggestion is the most effective method for environmentally friendly pest control?  Plant several plots of vegetables so one pest can’t destroy all of them.  Plant aromatic herbs to serve as a natural deterrent to pests.  Use compost and other organic farming methods to provide pest protection.  Use only genetically modified seeds.

CONCEPT Fertilizers and Pesticides...