What is NOT a change that occurred as a result of the shift from hunter-gatherer to agricultural societies? 

A)  specialized occupations and long-distance trade 
B)  increased competition for resources 
C)  equal work distribution among people 
D)  growth of villages

____________________ is used to separate the metal form the other elements in the ore.

Which of the following is NOT a way in which sandstones are commonly expressed in the landscape?

A) as thick massive cliffs with little variation in grain size
B) as rocks with abundant layers defined by variations in color, grain size, or composition
C) as outcrops that can contain cross beds
D) as outcrops that show evidence of being dissolved during weathering

What type of trees tend to be found in wet tropical rain forests? 

A)  They are coniferous evergreen plants. 
B)  They are broadleaf deciduous plants. 
C)  They are succulent plants. 
D)  They are broadleaf evergreen plants.

What causes the stress that forms joints?

A) burial and tectonic forces
B) cooling and contraction
C) uplift and unloading of pressure
D) all of these
E) none of these

____________________ deserts have few plants,and they are hot and dry most of the year.

Some people suggest that _________________________ and escapees from Canadian salmon farming operations are negatively affecting stocks of wild salmon.

What is the second-leading cause of cancer,after smoking? 

A)  nitrous oxide exposure 
B)  formaldehyde exposure 
C)  radon exposure 
D)  sulphur dioxide exposure

____________________ is formed naturally in the upper stratosphere by short wavelength ultraviolet radiation.

What is a computer system for the capture,storage,retrieval,analysis and display of spatial data known as? 

A)  GPX 
B)  Landsat 
C)  GIS 
D)  RADARSAT