Which of the following factors indicates a high risk for volcanic mudflows or lahars?

A) a shield volcano that forms a low mountain in the tropics
B) a volcano whose hillslopes are covered with hard basaltic lava
C) a volcano with a thick covering of snow or ice
D) all of these

What is reconciliation ecology? 

A)  It is a last attempt to restore a deforested area. 
B)  It is a science of reclaiming contaminated nuclear waste sites. 
C)  It is an older form of conservation biology that has been revisited. 
D)  It involves finding ways to share places with other species.

Which term best defines a situation where two or more processes interact such that the combined effect is greater than the sum of the individual effects? 

A)  a chaotic interaction 
B)  a homeostatic interaction 
C)  a negative feedback interaction 
D)  a synergistic interaction

Liquefied natural gas consists of mostly methane with small amounts of ethane,propane,and other liquefied petroleum gases,and it is generally handled at an extremely low temperature.

Volcanism creates mountains that are:

A) sometimes local and not accompanied by regional increases in crustal thickness
B) formed of piled volcanic material, such as scoria, ash, lava flows, debris flows, and mudslides
C) varied in size from small cinder cones to large shield and composite volcanoes
D) all of these are types of mountains created by volcanism

A(n)____________________ is the terrestrial ecosystem in which you would find the fewest decomposers.

Which of the following slope failures moves at the slowest rate?

A) earth flow
B) rock avalanche
C) debris flow
D) rock fall
E) debris avalanche

Which program is involved with integrated pest management? 

A)  ecological programs 
B)  mathematical programs 
C)  engineering programs 
D)  architectural programs

The main process that happens during the alpha type of radioactive decay is:

A) an electron is given off
B) an electron is absorbed and turned into a neutron
C) an atom splits into two pieces
D) an alpha particle combines with a small atom to make a larger one

What system is comprised of the Sun, planets, their moons, and other bodies that orbit the Sun?

A) solar system
B) planetary system
C) galactic system
D) ecosystem