Sandstone and limestone are examples of ____________________ rock.

Which of the following best represents the sequence by which a continent splits apart?

A) seafloor spreading, then continental rifting, then uplift due to mantle upwelling
B) continental rifting, then seafloor spreading, then uplift due to mantle upwelling
C) uplift due to mantle upwelling, then continental rifting, then seafloor spreading
D) none of these

If all the ice on the planet was melted, how much would it cause global sea level to rise? If you do not remember the approximate size of this rise, the volume of ice is 32,000,000 km³ and the surface area of the world's ocean is 361,000,000 km².

A) less than 10 centimeters
B) 10 centimeters to 1 meter
C) 1 meter to 10 meters
D) 10 meters to 100 meters
E) more than 100 meters

Great white sharks are streamlined predators at or near the top of ocean food chains.

Overall,the net energy from nonrenewable resources is lower than that from renewable resources.

How do iron-ore deposits form?

A) as iron-rich layers, called iron formations, in sedimentary sequences
B) within granite or sandstone
C) the mixing of different types of groundwater
D) groundwater that encounters ancient buried hills
E) all of these

The most common volcanic rock found in lava flows on composite volcanoes is:

A) andesite
B) basalt
C) obsidian

What characterizes the vegetation found in a riparian zone? 

A)  It is a kind of algae in watering holes for cattle. 
B)  It is poisonous to cold-water fish. 
C)  It can destroy a grassland ecosystem. 
D)  It can be easily destroyed by trampling and overgrazing.

The main material used to produce cement and concrete is:

A) salt
B) phosphate
C) limestone
D) iron ore
E) well-cemented quartz sandstone

Which vegetable is a source of ethanol? 

A)  carrots 
B)  peas 
C)  potatoes 
D)  corn