Most likely occurs before volcanic eruption

Increase in earthquake activity.

Main cause of urban city being an urban heat island;

Construction of parking and roads

Best way to conserve worlds freshwater resources;

Use More efficient irrigation techniques

Cracks in rocks widen as water in them freezes and thaws. How does this affect earth?

exposes to increased rates of erosion/weathering

Why is it important to conserve the biodiversity of earth?

Increase stability of ecosystems during changes

Which woid best aid in transition to sustainable Farming?

Rotate the types of crops grown.

Nonnative species of plant could affect nc ecosystem by;

Take over native plant habitats.

Most responsible for presence of ground water

Movement of water through soil and rock

Best describes ozone layer:

Reduces amt. Of UV radiation to reach earth

Main causes of subservice ocean currents

Density differences of ocean water

How does the tilt of axis affect seasons?

Amt. Of direct solar energy on surface

How do weathering and erosion affect the earth surface?

Break down rocks and create new soil

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NC 2016 earth science EOC

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NC earth science eoc

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Questions 26

Answers

1
Most likely occurs before volcanic eruption
Increase in lava flow
Increase in earthquake activity.
Increase in acid rain
Increase in mud flow
2
Most common contamination for freshwater
Lightning
Melting of glaciers
Runoff
Digging wells
3
What impact to freshwater could water pur./mgmt systems upgrade have?
Decrease in water demands
Increase in freshwater supply
Increase in waterborne diseases
Decrease in water levels
4
Storm that most likely develops as air masses interact w/warm h2o in nw pacific
Typhoon
Blizzard
Tornado
Monsoon
5
What long term impact could the destruction of large areas of forests have?
Increased atmospheric oxygen levers
Decrease rates of erosion
Increase carbon dioxide leveld
Decreased amounts of acid rain
6
Main cause of urban city being an urban heat island;
Construction of parking and roads
Installation of solar panels
Planting of trees and vegetation
Rooftop gardens
7
What natural phenomenon occurs as a result of earth rotating on axis?
Seasonal changes
Tectonic plate movement
Day and night
Deep ocean currents
8
Best way to conserve worlds freshwater resources;
Increase amount of land to raise cattle
Use More efficient irrigation techniques
More roads and highways
Develop More coal powered plants
9
Cracks in rocks widen as water in them freezes and thaws. How does this affect earth?
exposes to increased rates of erosion/weathering
Changes chem. Composition of the rocks.
Limits exposure of rocks to acid precip
Reduces rates of soil formation
10
Why is it important to conserve the biodiversity of earth?
Increase stability of ecosystems during changes
Decrease global predators
Increase nonrenewable resourcesinn lithosphere
Decrease stability of currents
11
Which woid best aid in transition to sustainable Farming?
Plant only genet modified crops
Rotate the types of crops grown.
Reduce elements in fertilizer
Irrigate crops using well water
12
How can oil and nat. Gas be extracted from the soil?
Drilling deep beneath ground
Strip mining in mountainous areas
Removing limestone deposits in ground
Digging near volcanoes
13
Nonnative species of plant could affect nc ecosystem by;
Reduce plant competition for space and light.
Disease resistant species
Take over native plant habitats.
Cause insects to destroy native plants.
14
Which is effect of lower levels of solar radiation hitting earth
Decreased carbon dioxide levels
Increase in skin cancer
Decreased photosynthesis
Increased phytoplankton activity
15
What would most likely cause reduction in coal and nat gas?
Increase in number of people
Decrease in aquifer water
Increase of pollution
Decrease in amt. Of rain forests.
16
Most responsible for presence of ground water
Movement of water through soil and rock
Movement from streams/rivers to watersheds
Movement from confined aquifer to surface water
Movement through impermeable rock
17
Best describes ozone layer:
Increases nitrogen in troposphere
Reduces amt. Of UV radiation to reach earth
Forms magnetic field in mesosphere
Prevents severe storms in stratosphere
18
How can urbanization affect a local area?
Decrease risk of water pollution
Increase risk of flooding
Decrease need for nat. Resources
Increases # of invasive species.
19
Most likely forms when boundary plate forces landmass to be pulled apart.
Continental rift
Continental mountains
Oceanic trench
Volcanic island arc
20
Main causes of subservice ocean currents
Density differences of ocean water
Rotation of earth on axis
Ocean floor topography
Movement of jetstream
21
How does the tilt of axis affect seasons?
Rate of chem reactions in atmosphere
Amt. Of direct solar energy on surface
Deflecting harmful rays of sun
Changing speed of earth rotation
22
How do weathering and erosion affect the earth surface?
Move tectonic plates
Break down rocks and create new soil
Cause sedimentary rocks to form igneous
Cause mtn. Ranges to become taller
23
Farming technique that could improve soil/ environ
Undisturbed layers in soil
Fueled machines turn soil continuously
Inorganic chem. Fertilizers
Irrigate w/salty water
24
What would cause flooding in rural forest address?
Water level below zone of saturation
Ground is already saturated
Uncharged aquifer beneath
Mostly sandy soil
25
Biotic factor that could affect an ecosystem
Harmful bacteria
High levels of carbon dioxide
Dust storms
Acid rain
26
Is associated with an increase in chloroflourocarbons in environment.
Increase in methane gas in atmosphere
Increase in ozone levels upper atmos.
Uv radiation health risks
Increase in acid precipitation

NC 2016 earth science EOC Flashcards | StudBud