Why are bats endangered? 

A)  Bats live in vulnerable habitats and are faced with recent disease problems. 
B)  Bats have a high reproduction rate. 
C)  People are not fearful of bats. 
D)  People appreciate the ecological role of bats.

What is an effect of upwelling? 

A)  It results in small populations of seabirds. 
B)  It causes the death of phytoplankton. 
C)  It creates a highly productive area. 
D)  It produces conditions that kill a large number of fish.

A(n)____________________ is classified according to the predominant natural vegetation in the region which is primarily determined by differences in climate.

What is bitumen? 

A)  It is the active ingredient in butane. 
B)  It is a waste product resulting from the extraction of tight oil. 
C)  It is a fuel supplement added to diesel oil. 
D)  It is a thick and sticky heavy oil.

According to the graph,what are Canada's approximate crude birth and crude death rates?

When a plate boundary changes its orientation, it can change from:

A) a spreading center to a transform fault
B) a transform fault to a spreading center
C) a transform fault to a subduction zone
D) all of these
E) none of these