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NCFE Earth And Evironmental Science
Test Description: Its my first test
Instructions: Answer all questions to get your test result.
1) Cracks in rocks widen as water in them freezes and thaws. How does this affect the surface of the Earth?
A
It changes the chemical composition of the rocks.
B
It reduces the rates of soil formation.
C
It limits the exposure of rocks to acid precipitation.
D
It exposes the rocks to increased rates of erosion and weathering.
2) How can urbanization affect a local area?
A
It can decrease the risk of water pollution in an area.
B
It can increase the number of invasive species in an area.
C
It can decrease the need for natural resources in an area.
D
It can increase the risk of flooding in an area.
3) Which is a farming technique that cold improve the soil and the environment?
A
irrigating the soil with salty water
B
using fueled machines that will turn the soil continously
C
creating undisturbed layers of mulch in the soil
D
placing inorganic chemical fertilizers in the soil
4) Subsurface ocean currents continually circulate from the warm waters near the equator to the colder waters in orther parts of the world. What is the main cause of these currents?
A
differences in the topography along the ocean floor
B
the rotation of Earth on its axis
C
differences in density of ocean water
D
movement of the jet stream
5) What is the most responsible for the presence of groundwater in an area?
A
the movement of water from a confined aquifer into surface water
B
the movement of water from streams and rivers to watersheds
C
the movement of surface water through impermeable rock
D
the movement of surface water and precipitation through soil and rock
6) Which is the most common contamination source for freshwater resources?
A
digging wells
B
melting of glaciers
C
runoff
D
lightning
7) A community decides to upgrade its water purification and management systems. What lasting impact could this have on available freshwater?
A
It could cause a decrease in water levels.
B
It could cause an increase in waterborne diseases.
C
It could cause a decrease in water demand.
D
It could cause an increase in freshwater supply.
8) Which storm most likely develops as air masses interact with the warm water in the northwest Pacific Ocean?
A
typhoon
B
tornado
C
monsoon
D
blizzard
9) Which is associated with an increase of chlorofluorocarbons in the environment?
A
an increase in ozone levels in the upper atmosphere
B
an increase in acid precipitation
C
an increase in health risks associated with UV radiation
D
an increase in levels of methane gas in the atmosphere
10) Which natural phenomenon occurs as a result of Earth rotating on its axis?
A
day and night
B
movement of tectonic plates
C
deep ocean currents
D
seasonal changes
11) Urban City X has been referred to as an urban heat island because it tends to be warmer than the surrounding rural areas. What is the main cause of Urban City X being an urban heat island?
A
the installation of solar panels
B
the planting of trees and other vegetation
C
the construction of parking areas and road systems
D
the building of rooftop gardens
12) What long-term impact could the destruction of larger areas of forests have on Earth?
A
decreased rates of erosion
B
increased atmospheric oxygen levels
C
increased atmospheric carbon dioxide levels
D
decreased amounts of acid rain
13) Why is it important to conserve the biodiversity of Earth?
A
to increase the stability of ecosystems during environmental changes
B
to decrease the stability of major global ocean currents
C
to increase the amount of nonrenewable resources located in the lithosphere
D
to decrease the amount of global predator populations
*select an answer for all questions
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