What is most responsible for the presence of groundwater in an area?

movement of surface water & precipitation thru soil & rock

What is the main cause of subsurface ocean currents that circulate warm water from the equator?

differences in density of ocean water

Which is associated with an increase of chlorofluorocarbons in the environment?

an increase in health risks associated with UV radiation

How could upgrading a community's water treatment system impact available freshwater?

It could cause an increase in the freshwater supply.

What long-term impact could the destruction of large areas of forests have on Earth?

increased atmospheric carbon dioxide levels

Which is a farming technique that could improve the soil and the environment?

creating undisturbed layers of mulch in the soil

How can urbanization affect a local area?

It can increase the risk of flooding in an area.

Which would most likely cause a reduction in the amount of coal and natural gas on Earth?

increase in number of people on Earth

Which is an effect of lower levels of solar radiation striking Earth?

decreased rates of photosynthesis

What change would best aid a conventional farmer making the transition to sustainable farming?

rotate the types of crops grown

Which factor would contribute the most to an urban city being an urban heat island?

construction of parking areas and road systems

How does the tilt of the Earth's axis affect the seasons?

changes the amount of solar energy reaching Earth's surface

Why is it important to conserve the biodiversity of Earth?

to increase stability of ecosystems when environment changes

Cracks in rocks widen as water in them freezes & thaws.How does this affect the Earth's surface

It exposes rocks to increased rates of erosion & weathering

How could the introduction of a nonnative species of plant affect an ecosystem in NC?

Take over habitats of native plant species

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Earth Science Released NC Final Exam Questions 2014

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Released EOC questions for NC Final Exam for Earth Science.

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Questions 19

Answers

1
What is most responsible for the presence of groundwater in an area?
movement of surface water through impermeable rock
movement of water from a confined aquifer into surface water
movement of water from streams and rivers to watersheds
movement of surface water & precipitation thru soil & rock
2
What is the main cause of subsurface ocean currents that circulate warm water from the equator?
differences in the topography along the ocean floor
differences in density of ocean water
the rotation of Earth on its axis
movement of the jet stream
3
Which storm develops as air masses interact with warm water in the northwest Pacific Ocean?
typhoon
monsoon
tornado
blizzard
4
Which is associated with an increase of chlorofluorocarbons in the environment?
an increase in health risks associated with UV radiation
an increase in ozone levels in the upper atmosphere
an increase in acid precipitation
an increase in levels of methane gas in the atmosphere
5
How could upgrading a community's water treatment system impact available freshwater?
It could cause a decrease in water levels.
It could cause a decrease in water demand.
It could cause an increase in the freshwater supply.
It could cause an increase in waterborne diseases.
6
What long-term impact could the destruction of large areas of forests have on Earth?
increased atmospheric carbon dioxide levels
increased atmospheric oxygen levels
decreased amounts of acid rain
decreased rates of erosion
7
Which is a farming technique that could improve the soil and the environment?
creating undisturbed layers of mulch in the soil
irrigating the soil with salty water
using fueled machines that will turn the soil continuously
placing inorganic chemical fertilizers in the soil
8
How can urbanization affect a local area?
It can increase the risk of flooding in an area.
It can decrease the need for natural resources in an area.
It can increase the number of invasive species in an area.
It can decrease the risk of water pollution in an area.
9
Which would most likely cause a reduction in the amount of coal and natural gas on Earth?
decrease in the amount of water in Earth's aquifers
increase in number of people on Earth
decrease in the amount of rain forests on Earth
increase the amount of pollution in Earth's atmosphere
10
Which natural phenomenon occurs as a result of Earth rotating on its axis?
movement of tectonic plates
seasonal changes
day and night
deep ocean currents
11
Which is an effect of lower levels of solar radiation striking Earth?
decreased rates of photosynthesis
increased phytoplankton activity
decreased carbon dioxide levels
increased incidences of skin cancer
12
What change would best aid a conventional farmer making the transition to sustainable farming?
reduce the ratio of essential elements in fertilizer
irrigate crops using well water
plant only genetically modified crops
rotate the types of crops grown
13
Which will form when movement along a plate boundary forces a landmass to be pulled apart?
continental mountains
continental drift
volcanic island arc
oceanic trench
14
Which factor would contribute the most to an urban city being an urban heat island?
installation of solar panels
building of rooftop gardens
construction of parking areas and road systems
planting trees and other vegetation
15
How does the tilt of the Earth's axis affect the seasons?
changes the amount of solar energy reaching Earth's surface
deflects harmful rays of radiation emitted by the sun
changes the speed of the rotation of Earth
influences the rate of chemical reactions in the atmosphere
16
Which is the most common contamination source for freshwater resources?
runoff
linghtning
digging wells
melting of glaciers
17
Why is it important to conserve the biodiversity of Earth?
to decrease the stability of major global ocean currents
to increase stability of ecosystems when environment changes
to decrease the amount of global predator populations
to increase amount of nonrenewable resources in lithosphere
18
Cracks in rocks widen as water in them freezes & thaws.How does this affect the Earth's surface
It changes the chemical composition of the rocks.
It reduces the rates of soil formation.
It exposes rocks to increased rates of erosion & weathering
It limits the exposure of rocks to acid precipitation.
19
How could the introduction of a nonnative species of plant affect an ecosystem in NC?
Cause insects to destroy native plants
Pollinate native plants to produce disease-resistant species
Take over habitats of native plant species
Reduce competition for space and light with native species

Earth Science Released NC Final Exam Questions 2014 Flashcards | StudBud