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

Decreased rates of photosynthesis

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

It exposes rocks to increases of erosion and weathering

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

By changing amount of direct solar energy reaching the Earth

How could the exponential growth of human populations impact regions throughout the world?

Lead to an increase in the demand for food in the regions

How would the introduction of a nonnative species of plant affect the ecosystem of NC?

It could take over the habitats of native plant species

How can urbanization affect a local area?

It can increase the risk of flooding in an area

Drilling for water increases along a coastal area. What is a likely consequence of this action?

An intrusion of salt water into aquifers

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

Creating undisturbed layers of mulch in the soil

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

Increase atmospheric carbon dioxide levels

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

An increase in the number of people on Earth

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

An increase in health risk associated with UV radiation

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

Surface water movement and precipitation through soil

Why is it important to preserve the biodiversity on Earth?

To increase stability of ecosystems in environmental changes

How does a straight alignment between Earth, sun, and moon affect the tides on Earth?

Produces the greatest change between high and low tides

Which statement describes the general movement of air masses?

They move from high pressure areas to low pressure areas

Which contributes to the formation of hurricanes during the late summer?

Interaction between ocean temperatures and warm air masses

If it is summer in the northern hemisphere, which statement is true?

It is winter in the southern hemisphere due to the tilt

In which way could the average increase in global temperatures influence Earth?

By increasing the amount of flooding because of sea levels

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Earth and Environmental Science Exam Review

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Questions 27

Answers

1
Which is an affect of lower levels of solar radiation striking Earth?
Decreased carbon dioxide levels
Increased incidents of skin cancer
Increased phytoplankton activity
Decreased rates of photosynthesis
2
Cracks in rocks widen as water in them freezes and thaws. How does this affect Earth's surface?
It exposes rocks to increases of erosion and weathering
It changes the chemical composition of the rocks
It limits the exposure of rocks to acid precipitation
It reduces the rates of soil formation
3
How does the tilt of Earth's axis affect the seasons?
By deflecting harmful rays emmitted by the sun
By changing amount of direct solar energy reaching the Earth
By changing the speed of the rotation of Earth
Changing the rate of chemical reactions occurring on Earth
4
How could the exponential growth of human populations impact regions throughout the world?
Lead to a decrease in the demand for land in the regions
Lead to an increase in the demand for food in the regions
Lead to an increase in the biodiversity in the regions
Lead to a decrease in the amount of pollution in the regions
5
How would the introduction of a nonnative species of plant affect the ecosystem of NC?
It could cause insect species to destroy native species
It could reduce the competition for space and light
It could pollinate native plants, creating resistant species
It could take over the habitats of native plant species
6
Which is a major source of air pollution created by humans?
Nuclear power
Reforestation
Hydroelectric plants
Industrial factories
7
How can urbanization affect a local area?
It can increase the risk of flooding 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
It can decrease the need for natural resources in an area
8
Which is formed when impermeable rock forces groundwater to emerge onto Earth's surface?
A geyser
An aquifer
A well
A spring
9
What will MOST LIKELY form when motion along a plate boundary forces a landmass to pull apart?
Continental rift
Oceanic trench
Continental mountains
Volcanic island arc
10
In which atmospheric layer of Earth do thunderstorms occur?
Troposphere
Thermosphere
Mesosphere
Stratosphere
11
Drilling for water increases along a coastal area. What is a likely consequence of this action?
Loss of water resources in estuaries
The destruction of estuaries because of rising sea levels
An intrusion of salt water into aquifers
A decrease in salt concentration in inlet waterways
12
Which natural phenomenon occurs as a result of Earth rotating on its axis?
Movement of tectonic plates
Day and night
Seasonal changes
Deep ocean currents
13
Which gas makes up the largest component of the Earth’s atmosphere?
Oxygen (O2)
Caron Dioxide (CO2)
Argon (Ar)
Nitrogen (N2)
14
Which is a farming technique that could improve the soil and the environment?
Placing inorganic chemical fertilizers in the soil
Using fueled machines that will turn the soil continuously
Irrigating the soil with salty water
Creating undisturbed layers of mulch in the soil
15
What long-term impact could the destruction of forests have on Earth?
Increased atmospheric oxygen levels
Increase atmospheric carbon dioxide levels
Decreased rates of erosion
Decreased amounts of acid rain
16
Which would MOST LIKELY cause a reduction in the amount of coal and natural gas on Earth?
An increase in the amount of pollution in the atmosphere
An increase in the number of people on Earth
A decrease in the amount of water in Earth's aquifers
A decrease in the amount of rainforests on Earth
17
Which is associated with an increase of chlorofluorocarbons in the environment?
An increase in ozone levels in the upper atmosphere
An increase in acid precipitation
An increase in levels of methane gas in the atmosphere
An increase in health risk associated with UV radiation
18
Which could MOST LIKELY have a lasting negative effect on the biodiversity of an area?
An increase in plant populations
Clear-cutting
Selective cutting
A reduction in the use of fertilizers
19
What is the most responsible for the presence of groundwater in an area?
Surface water movement and precipitation through soil
Surface water movement through impermeable rock
Water movement from streams and rivers to watersheds
Water movement from confined aquifer into surface water
20
Why is it important to preserve the biodiversity on Earth?
To decrease the stability of major global ocean currents
To decrease the amount of global predator populations
To increase stability of ecosystems in environmental changes
To increase amount of nonrenewable sources in lithosphere
21
How does a straight alignment between Earth, sun, and moon affect the tides on Earth?
It produces diurnal tides
Produces the greatest change between high and low tides
It produces semidiurnal tides
It produces the least change in high and low tides
22
Which can lead to the depletion of Earth's ozone layer?
Vehicle exhaust
Aerosols
Burning compost
Coal-fired power plants
23
Which statement describes the general movement of air masses?
They move from low humidity areas to high humidity areas
They move from low temperature to high temperature
They move from high pressure areas to low pressure areas
They move from high altitude areas to low altitude areas
24
Which contributes to the formation of hurricanes during the late summer?
Interaction between ocean water salinity and warm air masses
Interaction between ocean temperatures and warm air masses
Interaction between ocean salinity and ocean water density
Interaction between ocean currents and polar air masses
25
If it is summer in the northern hemisphere, which statement is true?
Earth has reached its closest point to the sun
It is winter in the southern hemisphere due to the tilt
Earth has changed its tilt 20º due to its revolution
It is summer in the southern hemisphere due to the tilt
26
In which way could the average increase in global temperatures influence Earth?
By increasing the formation of sea ice within polar regions
By increasing the amount of flooding because of sea levels
By decreasing periods of drought in all water systems
By decreasing erosion within coastal ecosystems
27
Which is the MOST common contamination source for freshwater resources?
Melting of glaciers
Lightning
Runoff
Digging wells

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