Section #: 25.2
Land Resources
Practice Test
1.
Iron ores are commonly formed by __________.
SC.G.2.4.6
a.
placer deposits
b.
chemical precipitation in layers of sedimentary rocks
c.
hydrothermal fluid migration
d.
settling of crystals in igneous rocks
Hint
2.
What is a source of aggregate?
SC.G.2.4.6
a.
volcanic deposits
b.
glacial deposits
c.
xenoliths
d.
batholiths
Hint
3.
What is the solid, unweathered rock under the soil called?
SC.G.2.4.6
a.
aggregate
b.
the B horizon
c.
humus
d.
bedrock
Hint
4.
Concrete and mortar used in construction are made using __________.
SC.G.2.4.6
a.
ores
b.
diamonds
c.
aggregates
d.
crystals
Hint
5.
What is an ore?
SC.G.2.4.6
a.
any nonrenewable resource
b.
a natural resource that can be mined at a profit
c.
any land resource
d.
a natural resource that is dug out from underground
Hint
6.
Chromite ores often are found __________.
SC.G.2.4.6
a.
in layered intrusions
b.
in metamorphic rocks
c.
within glacial deposits
d.
at the base of hydrothermal deposits
Hint
7.
Aggregates, bedrock, and metallic minerals are all __________.
SC.G.2.4.6
a.
hydrothermal ores
b.
depleted resources
c.
land resources
d.
renewable resources
Hint
