ENV 100T Week 4 WileyPLUS Weekly Exam

In this graded assignment, you are assessed on the content covered in this weeks’ readings, activities, and assignments. To help you prepare, it is recommended that you first complete this week’s Learning Path and Self-Test Learning Activities prior to completing this exam.

Click on the Assignments link in WileyPLUS to access the Week 4 Exam.

Complete the Week 4 WileyPLUS Weekly Exam covering this week’s assigned readings:

• Ch. 8: Air and Air Pollution
• Ch. 9: Global and Atmospheric Changes
• Ch. 10: The Ocean and Fisheries
• Ch. 16: Solid and Hazardous Wastes

Note: Work submitted in WileyPLUS does not count toward attendance. Be sure to post at least two times each week in the online classroom to avoid being auto-dropped from the course.

Question 1

Smaller cars, removal of sulfur from coal, and cooler combustion temperatures are examples of ways to:

reduce the total amount of pollutants produced.

reduce total amounts of pollutants after they are produced.

conserve energy.

reduce CFC production.

Question 2

Why did lead pollution decrease significantly after the creation of the Clean Air Act?

Lead is now removed from coal before it is used as fuel.

Electrostatic precipitators mandated by the Clean Air Act have greatly decreased the amount of lead being emitted from smokestacks.

Catalytic converters in cars greatly reduce the amount of lead emitted.

Leaded gasoline was outlawed.

Question 3

Electrostatic precipitators use electrical charges to attract and track what pollutants?

Ozone.

Particulates.

Sulfur oxides.

Nitrogen oxides.

Question 4

Which other indoor air pollutant increases the risk of radon-related cancers?

Formaldehyde from carpets and furniture.

Tobacco smoke from cigarettes.

Para-dichlorobenzene from moth balls and air fresheners.

Nitrogen oxides from unvented gas stoves.

Question 5

The National Academy of Sciences estimate 12% of all lung cancers are related to radioactivity caused by which of the following?

The burning of coal.

Nuclear power plants.

Residual atmospheric radiation related to nuclear weapons testing.

Natural emissions that occur as uranium breaks down.

Question 6

Why are illnesses from indoor air pollution often overlooked?

They resemble common ailments like colds or flu.

They usually result long after exposure.

They only occur in developing countries.

They are easily controlled using modern healthcare.

Question 7

What helps maintain global oxygen concentrations in the troposphere?

Oxygen levels remain balanced by photosynthesis and cellular respiration.

Photosynthesis replaces oxygen loss to air pollutants like NOx, SOx, and ozone.

The burning of fossil fuels since the Industrial Revolution has helped maintain oxygen concentrations in the atmosphere.

Excess oxygen is broken down by ozone in the upper atmosphere.

Question 8

Which of the following activities is responsible for the largest percentage of human-made carbon dioxide emissions?

burning fossil fuels

deforestation

ozone depletion

acid deposition

agriculture

Question 9

Although widespread thermometer records have only been kept since the mid-19th century, scientists can reconstruct historical temperature data in the following ways except:

tree ring analysis

air bubbles in ancient ice

ocean sediment

fossilized dinosaur bones

Question 10

Which of the following activities will not mitigate global climate?

developing energy alternatives like wind and solar

switching to hybrid cars

planting and maintaining forests

eating more beef

Question 11

The figure reflects the differences in how sunlight strikes the Earth at different places. Which of the statements below can be inferred from this diagram?

1. Desk lamp A represents the vertical angle of the sun at the equator showing that sunlight is more concentrated here.
2. Desk lamp B represents the oblique angle of the sun at the equator showing that there is a larger area over which the sun shines.
3. Desk lamps A and B represent the possible different angles of the sun striking the northern hemisphere in the summer depending on how the Earth’s axis tilts – A means a hotter summer, B means a cooler one.

1 only

2 only

3 only

1 & 2 only

Question 12

What can be interpreted from the following graph?

1. The graph shows that the Earth’s surface temperatures do naturally fluctuate.
2. The graph shows that there has been a warming trend in the last several decades.

1 only

2 only

1 & 2

None of these choices

Question 13

What is the fate of solar radiation that reaches the Earth?

Most solar radiation is absorbed by gases in the atmosphere.

Most solar radiation is reflected by snow, ice, and light colored land.

Most solar radiation is absorbed by the land and ocean.

An equal amount of solar radiation is absorbed by land, air, and water as is reflected back into space.

Question 14

The area of land drained by a single river or stream is called:

cisterns.

aquifer.

watershed.

reservoirs.

Question 15

What is probably the BEST way for industry to reduce water waste?

Decrease industrial production

Increased irrigation use

Switching to dry production of industrial goods

Reuse and recycle wastewater on site

Question 16

Which of the following is NOT an example of nonpoint source pollution?

Agricultural runoff

Erosion from logging operations

Acid mine drainage

Sewage treatment plant effluent

Question 17

What is the major difference in the fate of precipitation after urbanization?

Evaporation and transpiration decreases.

Surface runoff increases.

Ground water infiltration decreases.

All of these choices.

Question 18

Three-fourths of the world’s 200 major watersheds are shared between at least ___ nations.

two

three

four

five

Question 19

The area bordering a river channel that has the potential to flood is called:

wetland

drainage basin

floodplain

recharge zone

Question 20

Plastics pose a special problem for sanitary landfills because

1. plastics are the most rapidly accumulated component of municipal solid waste.
2. plastics attract harmful microorganisms and bacteria to the landfill.
3. plastics move upward to the surface creating a fire hazard.
4. most plastics are chemically stable and do not readily decompose.

1 only

2 only

3 only

4 only

1 and 4

Question 21

Integrated Waste Management is a set of waste disposal alternatives that include all of the following except

incineration.

composting.

sanitary landfill.

relocation of waste to developing nations.

reuse.

Question 22

What is an economic benefit of recycling?

use of energy and generation of pollution for curbside collection

increase use of sanitary landfill

generates jobs and revenues from selling of recycled products

use of natural resources in reprocessing materials

recycling has no economic benefit

Question 23

What is the Superfund National Priorities List?

the federal inventory of green chemistry locations

the existing hazardous waste sites that pose the greatest threat to public health

federally approved locations for the long-term storage of toxic chemicals

current policy on how to handle chemical accidents

a list of bodies of water in the U.S. that have not been polluted

Question 24

The term for crushed glass containers destined to be melted and reused to manufacture new products is ___.

scrap

dioxin

leachate

slag

cullet

Question 25

Integrated waste management refers to

dilution and dispersal of chemicals.

use of federal lands for hazardous waste disposal.

a combination of source reduction, reuse, recycling, composting. Landfills and incineration.

uniting municipal and nonmunicipal waste management programs.

using incineration as a single technique for waste disposal.