Question 1

Describe what e-wastes are and why they are a problem.

Accepted Answer

The answer of Describe what e-wastes are and why they...

Question 2

Latex paint is classified as a hazardous waste because it is ________ .

Accepted Answer

A) corrosive 
B) flammable 
C) toxic 
D) reactive

Question 3

You want to purchase 5 pounds 80 ounces)of potato chips for your group's party.You can buy the chips packaged in many different ways.Which of the following represents the best way to reduce excessive packaging and the MSW burden on the environment? To reduce the greatest amount of packaging,you should purchase_____________.

Accepted Answer

A) two 40-ounce bags 
B) four 20-ounce bags 
C) ten 8-ounce bags 
D) six 15-ounce bags

Question 4

Buying used items at a garage sale is one environmentally friendly approach that represents a form of ____________.

Accepted Answer

A) composting 
B) reuse 
C) WTE disposal 
D) source reduction

Question 5

_____________is a potent greenhouse gas produced during the decomposition process in sanitary landfills.

Accepted Answer

A) Ozone 
B) Dihydrogen oxide 
C) Methane 
D) Chlorofluorocarbon

Question 6

To safeguard against groundwater contamination,sanitary landfills are _________.

Accepted Answer

A) lined with an impermeable liner 
B) located on slopes so water runs downhill 
C) located on industrial sites where groundwater is not used for drinking or agriculture 
D) covered with cement

Question 7

Transuranic wastes are materials that have been contaminated with ___________.

Accepted Answer

A) transuranic acid 
B) gamma rays from distant parts of the solar system,beyond Uranus 
C) urine 
D) elements with an atomic number greater than that of uranium

Question 8

-From the 1960s to the present,the trend has been that_______ over time.

Accepted Answer

A) less waste was recovered for recycling 
B) less waste was sent to landfills 
C) more overall waste was produced 
D) less overall waste was produced

Question 9

Over the past 50 years,the total amount of waste generated by each person in the United States has nearly doubled,primarily because of increased affluence.Discuss three specific actions that an American citizen could take in order to promote a more environmentally sound waste management lifestyle.

Accepted Answer

The answer of Over the past 50 years,the total amount...

Question 10

Which of the following might you come to realize if you were to perform a life-cycle analysis on your dog?

Accepted Answer

A) You determine that if your dog lives 10 years,it will have eaten 2.6 million Calories of food during its life. 
B) Although you thought your dog was a purebred poodle,you discover that your dog's father was part golden retriever. 
C) You discover that your dog has been eating baby rabbits in your backyard. 
D) You discover that your dog has been sneaking off to the municipal sanitary landfill and eating discarded food wastes.

Question 11

Which of the following would reduce municipal solid waste by the greatest amount?

Accepted Answer

A) Using paper towels whenever possible instead of sponges and rags 
B) Buying concentrated cleaning solutions and refilling smaller cleaning bottles at home 
C) Buying food products in individual serving containers whenever possible 
D) Using half as much toilet paper when you use the restroom

Question 12

Instead of purchasing a cheap new car every 5 years and trading in the old one,a person buys a new,well-built car every 15 years,repairs it as needed,and then trades it in for a new one.This approach saves the person money,reduces the overall impact on the environment,and illustrates the value of___________ .

Accepted Answer

A) recycling 
B) source reduction 
C) composting 
D) a life-cycle analysis

Question 13

Which of the following components of municipal solid waste is recycled at the highest percentages?

Accepted Answer

A) Paper 
B) Aluminum 
C) Plastic 
D) Glass

Question 14

At a wastewater treatment plant,the primary purpose of secondary treatment is to __________ .

Accepted Answer

A) remove the large solids 
B) remove toxic chemicals such as pesticides and heavy metals 
C) remove the organic matter remaining in the wastewater 
D) remove bacteria and other pathogenic organisms

Question 15

The Superfund,which provides federal funds for the cleanup of heavily contaminated hazardous waste sites,was established by what federal law passed in 1980?

Accepted Answer

A) The Comprehensive Environmental Response,Compensation,and Liability Act 
B) The Superfund Management and Liability Act 
C) The Hazardous Waste Management Act 
D) The Superfund Authority and Management Act

Question 16

Wealthy nations generate approximately_________ pounds of waste per person per day.

Accepted Answer

A) 40 
B) 2)6 
C) 13.7 
D) 4)6

Question 17

Making a new soda pop can out of recycled aluminum requires _____________% less energy than making it out of bauxite raw aluminum ore).

Accepted Answer

A) 95 
B) 80 
C) 70 
D) 50 
E) 25

Question 18

A septic system is___________ .

Accepted Answer

A) an early version of a wastewater treatment plant 
B) a rural method of handling sewage 
C) a badly polluted waterway 
D) part of the secondary treatment at a wastewater treatment plant

Question 19

All radioactive wastes____________ .

Accepted Answer

A) release gamma radiation 
B) contain atoms that decay 
C) are difficult to handle and store safely 
D) must be disposed of at Yucca Mountain in Nevada

Question 20

Which of the following represent the categories of hazardous waste?

Accepted Answer

A) Toxic,nontoxic,and unknown 
B) Municipal,industrial,and agricultural 
C) Nonbiodegradable and biodegradable 
D) Ignitable,corrosive,reactive,and toxic

Exam 20: Science Fundamentals