NCFE Earth And Evironmental Science Question Preview (ID: 42767)


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How does the tilt of the Earth's axis affect the seasons?
a) by changing the amount of direct solar energy reaching the surface 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 speed of the rotation of Earth

How could the introduction of a nonnative species of plant affect an ecosystem in North Carolina?
a) It could pollinate the native plant species, producing a disease-resistant species.
b) It could reduce the competition for space and light with native plant species.
c) It could take over the habitats of the native plant species.
d) It could cause some insect species to destroy native plant species.

Which change would best aid a farmer in making the transition from conventional farming techniques to more sustainable farming techniques?
a) reduce the ratio of essential elements in the fertilizer
b) irrigate crops using well water
c) rotate the types of crops grown
d) plant only genetically modified crops

Which would most likely cause a reduction in the amount of coal and natural gas on Earth?
a) a continual increase in the amount of pollution in Earth's atmosphere
b) a continual increase in the number of people on Earth
c) a continual decrease in the amount of water in Earth's aquifers
d) a continual decrease in the amount of rain forests on Earth

Which is an effect of lower levels of solar radiation striking Earth?
a) increased incidences of skin cancer
b) decreased rates of photosynthesis
c) increased phytoplankton activity
d) decreased carbon dioxide levels

Which will most likely form when movement along a plate boundary forces a landmass to be pulled apart?
a) volcanic island arc
b) continental mountains
c) continental rift
d) oceanic trench

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

How can oil and natural gas be extracted from the earth?
a) by digging in areas of volcanoes
b) by drilling deep beneath the ground
c) by strip-mining in mountainous areas
d) by removing limestone deposits from the ground

How do weathering and erosion affect Earth's surface?
a) Both force tectonic plates to move across the ocean floor.
b) Both cause sedimentary rocks to form igneous rocks.
c) Both cause mountain ranges to become taller.
d) Both break down rocks and create new soil.

Which is a biotic factor that could affect an ecosytem?
a) dust storms moving through an ecosystem
b) bacteria harming the health of organisms in an ecosystem
c) large amounts of acid rain precipitation seeping into the soil in an ecosystem
d) high levels of carbon dioxide entering the atmosphere within an ecosystem

Which is the best way to conserve worldwide freshwater resources?
a) build more roads and highways for cars and trucks
b) increase the amount of land used to raise cattle
c) develop more modern coal-powered plants
d) use more efficient irritation techniques

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 prevents the formation of severe storms in the stratosphere of Earth.
c) It increases the amount of nitrogen in the troposphere of Earth.
d) It forms a magnetic field in the mesosphere of Earth.

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 water level in the area is below the zone of saturation
c) If the ground of the area is already saturated with water
d) If the ground of the area is mostly sandy soil

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