Section #: 25.2
Land Resources
Practice Test
1.
What is an ore?
a.
any land resource
b.
a natural resource that is dug out from underground
c.
a natural resource that can be mined at a profit
d.
any nonrenewable resource
Hint
2.
What state of the United States has the greatest percentage of public land?
a.
Montana
b.
Texas
c.
Utah
d.
Alaska
Hint
3.
Concrete and mortar used in construction are made using __________.
a.
diamonds
b.
ores
c.
aggregates
d.
crystals
Hint
4.
Aggregates, bedrock, and metallic minerals are all __________.
a.
renewable resources
b.
hydrothermal ores
c.
depleted resources
d.
land resources
Hint
5.
What is the solid, unweathered rock under the soil called?
a.
the B horizon
b.
bedrock
c.
aggregate
d.
humus
Hint
6.
Iron ores are commonly formed by __________.
a.
placer deposits
b.
hydrothermal fluid migration
c.
settling of crystals in igneous rocks
d.
chemical precipitation in layers of sedimentary rocks
Hint
7.
Which aspects of the township shown in the figure has damaged the land resources of the area?
a.
truck farm
b.
cornfields
c.
woods
d.
marsh
Hint
8.
What is a source of aggregate?
a.
volcanic deposits
b.
xenoliths
c.
glacial deposits
d.
batholiths
Hint
9.
Chromite ores often are found __________.
a.
at the base of hydrothermal deposits
b.
in layered intrusions
c.
within glacial deposits
d.
in metamorphic rocks
Hint
