Which of the following would be most consistent with a volcanic origin for the Arizona crater discussed in the textbook?

A) a mass of salt should exist beneath the crater
B) meteorite fragments would be scattered across the area
C) solidified magma might underlie the crater floor
D) there will be no volcanic rocks because of the explosion

The problem with ____________ _____________ is that it contains hundreds of different types of hydrocarbons that must be separated in order to be used.

What does the discipline of ecology study? 

A)  relationships between organisms and their environment 
B)  how endangered plants are cultivated 
C)  how animals behave and breed 
D)  the mechanisms of global climate change

Sunset businesses would include clear-cut timber harvesting and water well drilling.

What is the cause of the majority of oil pollution in the ocean? 

A)  tanker accidents 
B)  runoff from land 
C)  blowouts (rupture of a borehole of an oil rig in the ocean)  
D)  environmental terrorism

What causes the phases of the Moon?

A) the Earth's shadow obscures different amounts of the Moon during the year
B) the Earth's shadow obscures different amounts of the Moon over 28 days
C) the relative positions of the Sun, Moon, and Earth cause us to see different amounts of the Moon's lighted side
D) a partial eclipse causes the lighted part of the moon to grow and shrink over time

Which statement is representative of an environmental wisdom worldview? 

A)  More money should be directed to research on controlling the environment. 
B)  Continuous rapid economic growth will improve environmental conditions. 
C)  Human beings are the most important life forms on Earth. 
D)  Energy and materials efficiency must continually be improved.

Damage to the ecological structure and function of lakes because of deeper penetration of UV light into the water occurs because of a synergistic interaction among ozone depletion,acid deposition,and global warming.

Which effort to be more "green" has been undertaken by a number of college students? 

A)  They established agricultural research stations. 
B)  They established a Green Cup competition among dorms to see who eats the most vegetables. 
C)  They promoted the use of locally grown beef only. 
D)  They worked with faculty and administration to make environmental improvements on campus.

How does the strength of continental crust vary with depth?

A) Rocks become stronger with depth and then get weaker deep in the crust.
B) Rocks weaken with depth and then get stronger deep in the crust.
C) Rocks systematically get stronger from the surface to deep in the crust.
D) Rocks systematically get weaker from the surface to deep in the crust.