Question 1

Material accidentally lost at sea is called flotsam, while material deliberately discarded is called jetsam.

Accepted Answer

A) True 
 B)False

Question 2

Globally, aquaculture produces about _____% of fish consumed by humans.

Accepted Answer

A)  50 
B)  38 
C)  24 
D)  12 
E)  2 
A)  50 
B)  38 
C)  24 
D)  12 
E)  2

Question 3

Today invasive species are commonly transported through the oceans on the hulls of ships.

Accepted Answer

A) True 
 B)False

Question 4

The Marine Plastic Pollution and Control Act

Accepted Answer

A)  prohibits dumping plastic debris in coastal oceans only. 
B)  prohibits dumping plastic debris everywhere in the oceans. 
C)  is enforced by the United Nations Ocean patrol. 
D)  has eliminated the plastic trash problem in the oceans. 
E)  prohibits dumping plastic debris everywhere in the oceans and is enforced by the United Nations Ocean patrol. 
A)  prohibits dumping plastic debris in coastal oceans only. 
B)  prohibits dumping plastic debris everywhere in the oceans. 
C)  is enforced by the United Nations Ocean patrol. 
D)  has eliminated the plastic trash problem in the oceans. 
E)  prohibits dumping plastic debris everywhere in the oceans and is enforced by the United Nations Ocean patrol.

Question 5

The U.S. Marine Protection, Research, and Sanctuaries Act is also known as the Ocean Dumping Act.

Accepted Answer

A) True 
 B)False

Question 6

The size of the hypoxic dead zone in the Gulf of Mexico appears to vary annually in response to all of the following except

Accepted Answer

A)  annual fish catch. 
B)  annual rainfall. 
C)  the amount of fertilizer used. 
D)  periods of drought. 
A)  annual fish catch. 
B)  annual rainfall. 
C)  the amount of fertilizer used. 
D)  periods of drought.

Question 7

Biological invasions can occur in response to

Accepted Answer

A)  shifts in climate patterns. 
B)  plate tectonics. 
C)  ballast water transport. 
D)  All of these choices are correct. 
E)  None of these choices are correct. 
A)  shifts in climate patterns. 
B)  plate tectonics. 
C)  ballast water transport. 
D)  All of these choices are correct. 
E)  None of these choices are correct.

Question 8

The Federal Clean Water Act was passed in

Accepted Answer

A)  1972. 
B)  1982. 
C)  1990. 
D)  1995. 
E)  2000. 
A)  1972. 
B)  1982. 
C)  1990. 
D)  1995. 
E)  2000.

Question 9

The Exxon Valdez oil spill

Accepted Answer

A)  was equal in volume to the Persian Gulf spill. 
B)  dissipated quickly in warmer inshore water. 
C)  was 99% recovered using new sophisticated methods. 
D)  All of these are correct. 
E)  None of these are correct. 
A)  was equal in volume to the Persian Gulf spill. 
B)  dissipated quickly in warmer inshore water. 
C)  was 99% recovered using new sophisticated methods. 
D)  All of these are correct. 
E)  None of these are correct.

Question 10

Despite the growth in commercial fishing and the exploitation of new fishing stocks, world fish harvests have remained nearly constant over the last decade.

Accepted Answer

A) True 
 B)False

Question 11

How much oil is usually recovered after a spill?

Accepted Answer

A)  5-10% 
B)  8-15% 
C)  22-25% 
D)  Up to 50% 
E)  None is recovered. 
A)  5-10% 
B)  8-15% 
C)  22-25% 
D)  Up to 50% 
E)  None is recovered.

Question 12

Sediments deposited in urban estuaries since 1970 carry a decreasing toxicant load.

Accepted Answer

A) True 
 B)False

Material accidentally lost at sea is called flotsam, while material deliberately discarded is called jetsam.

Globally, aquaculture produces about _____% of fish consumed by humans.

Today invasive species are commonly transported through the oceans on the hulls of ships.

The Marine Plastic Pollution and Control Act

The U.S. Marine Protection, Research, and Sanctuaries Act is also known as the Ocean Dumping Act.

The size of the hypoxic dead zone in the Gulf of Mexico appears to vary annually in response to all of the following except

Biological invasions can occur in response to

The Federal Clean Water Act was passed in

The Exxon Valdez oil spill

Despite the growth in commercial fishing and the exploitation of new fishing stocks, world fish harvests have remained nearly constant over the last decade.

How much oil is usually recovered after a spill?

Sediments deposited in urban estuaries since 1970 carry a decreasing toxicant load.

The Water Planet

Earth Structure and Plate Tectonics

The Sea Floor and Its Sediments

The Physical Properties of Water

Seawater

The Atmosphere and the Oceans

Ocean Structure and Circulation

The Waves

The Tides

Coasts, Beaches, and Estuaries

The Living Ocean

The Plankton, Energy, and Food Webs

The Nekton: Swimmers of the Sea

The Benthos: Living on the Sea Floor

The Oceans and Climate Disruption

Prologue: The History of Oceanography

Filters

Exam 15: Environmental Issues

Material accidentally lost at sea is called flotsam, while material deliberately discarded is called jetsam.

Globally, aquaculture produces about _____% of fish consumed by humans.

Today invasive species are commonly transported through the oceans on the hulls of ships.

The Marine Plastic Pollution and Control Act

The U.S. Marine Protection, Research, and Sanctuaries Act is also known as the Ocean Dumping Act.

The size of the hypoxic dead zone in the Gulf of Mexico appears to vary annually in response to all of the following except

Biological invasions can occur in response to

The Federal Clean Water Act was passed in

The Exxon Valdez oil spill

Despite the growth in commercial fishing and the exploitation of new fishing stocks, world fish harvests have remained nearly constant over the last decade.

How much oil is usually recovered after a spill?

Sediments deposited in urban estuaries since 1970 carry a decreasing toxicant load.

The Water Planet

Earth Structure and Plate Tectonics

The Sea Floor and Its Sediments

The Physical Properties of Water

Seawater

The Atmosphere and the Oceans

Ocean Structure and Circulation

The Waves

The Tides

Coasts, Beaches, and Estuaries

The Living Ocean

The Plankton, Energy, and Food Webs

The Nekton: Swimmers of the Sea

The Benthos: Living on the Sea Floor

The Oceans and Climate Disruption

Prologue: The History of Oceanography

Filters