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