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NCFE Earth And Evironmental Science
Test Description: Its my second test
Instructions: Answer all questions to get your test result.
1) A rural, forested area receives a lot of rain in a short amount of time. What would most likely cause potential flooding in the area?
A
If the area has a large uncharged aquifer beneath it
B
If the ground of the area is already saturated with water
C
If the ground of the area is mostly sandy soil
D
If the water level in the area is below the zone of saturation
2) Which is the best way to conserve worldwide freshwater resources?
A
use more efficient irritation techniques
B
develop more modern coal-powered plants
C
build more roads and highways for cars and trucks
D
increase the amount of land used to raise cattle
3) Which statement best describes the ozone layer of Earth?
A
It helps reduce the amount of ultraviolet radiation reaching the surface of Earth.
B
It increases the amount of nitrogen in the troposphere of Earth.
C
It forms a magnetic field in the mesosphere of Earth.
D
It prevents the formation of severe storms in the stratosphere of Earth.
4) Which is a biotic factor that could affect an ecosytem?
A
dust storms moving through an ecosystem
B
high levels of carbon dioxide entering the atmosphere within an ecosystem
C
large amounts of acid rain precipitation seeping into the soil in an ecosystem
D
bacteria harming the health of organisms in an ecosystem
5) How do weathering and erosion affect Earth's surface?
A
Both force tectonic plates to move across the ocean floor.
B
Both break down rocks and create new soil.
C
Both cause sedimentary rocks to form igneous rocks.
D
Both cause mountain ranges to become taller.
6) How can oil and natural gas be extracted from the earth?
A
by digging in areas of volcanoes
B
by strip-mining in mountainous areas
C
by drilling deep beneath the ground
D
by removing limestone deposits from the ground
7) Which will most likely occur before a volcanic eruption?
A
an increase in acid rain precipitation
B
an increase in earthquake activity
C
an increase in lava flow
D
an increase in mud flow
8) Which will most likely form when movement along a plate boundary forces a landmass to be pulled apart?
A
volcanic island arc
B
oceanic trench
C
continental mountains
D
continental rift
9) Which is an effect of lower levels of solar radiation striking Earth?
A
decreased rates of photosynthesis
B
increased phytoplankton activity
C
decreased carbon dioxide levels
D
increased incidences of skin cancer
10) Which would most likely cause a reduction in the amount of coal and natural gas on Earth?
A
a continual decrease in the amount of rain forests on Earth
B
a continual increase in the amount of pollution in Earth's atmosphere
C
a continual increase in the number of people on Earth
D
a continual decrease in the amount of water in Earth's aquifers
11) Which change would best aid a farmer in making the transition from conventional farming techniques to more sustainable farming techniques?
A
rotate the types of crops grown
B
plant only genetically modified crops
C
reduce the ratio of essential elements in the fertilizer
D
irrigate crops using well water
12) How could the introduction of a nonnative species of plant affect an ecosystem in North Carolina?
A
It could take over the habitats of the native plant species.
B
It could pollinate the native plant species, producing a disease-resistant species.
C
It could cause some insect species to destroy native plant species.
D
It could reduce the competition for space and light with native plant species.
13) How does the tilt of the Earth's axis affect the seasons?
A
by changing the speed of the rotation of Earth
B
by influencing the rate of chemical reactions occurring in the atmosphere
C
by deflecting the harmful rays of radiation emitted by the sun
D
by changing the amount of direct solar energy reaching the surface of Earth
*select an answer for all questions
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