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G9 ES Semester 2 midterm review
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Describe the greenhouse effect:
The greenhouse effect is the process through which heat is trapped near Earth's surface by substances known as 'greenhouse gases.'
Describe the process of eutrophication
Eutrophication is a general term describing a process in which nutrients accumulate in a body of water, resulting in an increased growth of microorganisms that
The process by which phosphorus is released from sediment:
 
Weathering and erosion
 
Sedimentation
 
Tectonic uplift
 
Decomposition
Which organisms are responsible for converting nitrogen gas into ammonia?
 
Nitrogen fixing bacteria
 
Nitrifying bacteria
 
Plants
 
Plankton
Which of the following is a downside of geothermal power?
 
Can only be built in particular locations.
 
It is a nonrenewable resource.
 
Uses rare minerals that expensive to obtain
 
Only active during certain times of day.
The biggest reservoir of carbon is...
 
The ocean
 
Living things
 
Forests
 
The atmosphere
The biggest resevoir of nitrogen is....
 
The atmosphere
 
Living things
 
Oceans
 
Sediment
Eutrophication occurs from excess carbon in a water supply:
 
False
 
True
Which of the following is an advantage of nuclear power
 
Almost no CO2 emmissions.
 
Cheap to build and maintain.
 
It uses renewable resources.
 
It uses a liquid that is easier to transport.
Which of the following is an argument against nuclear power?
 
Waste is difficult to remove.
 
Produces large volumes of CO2.
 
Can only built in very specific locations.
 
Only active during certain times of the day.
Explain why the phosphorus cycle is faster or slower than the nitrogen cycle:
The phosphorus cycle is slower than the nitrogen cycle because it is mostly controlled by geologic processes such weathering and tectonic activity.
Indicator species are used to determine the volume of nitrogen in an ecosystem:
 
False
 
True
The process by which water vapour cools down and converts to its liquid form:
 
Condensation
 
Evaporation
 
Precipitation
 
Transpiration
The process by which plants release water:
 
Transpiration
 
Photosynthesis
 
Evaporation
 
Condensation
The process by which water travels vertically below ground:
 
Infiltration
 
Surface run-off
 
Transpiration
 
Precipitation
This is the burning of substances such as wood and fossil fuels which can release carbon:
 
Combustion
 
Cellular respiration
 
Decomposition
 
Sedimentation
The process by by which nitrites and nitrates in the soil are returned to the atmopshere?
 
Denitrification
 
Nitrification
 
Assimilation
 
Nitrogen-fixation
Which of the following increases atmospheric carbon?
 
All of these options
 
Deforestation
 
Cellular respiration
 
Combustion
The process by which Carbon in the air is captured and brought to the surface?
 
Photosynthesis
 
Decomposition
 
Combustion
 
Niitrification
The phosphorus cycle is mostly controlled by geologic processes:
 
True
 
False
The Nitrogen cycle is faster than the phosphorus cycle:
 
True
 
False
What is the process by which plants abosrb nitrogen into its tissues to make amino acids?
 
Assimilation
 
Nitrification
 
Denitrification
 
Decomposition
Using too much pesticides can lead to eutrophication:
 
False
 
True
What is produced in the process of nitrification?
 
Nitrates
 
Ammonia
 
Nitrogen
 
Nitroglycerin
Which element is the base of all organic molecules?
 
Carbon
 
Nitrogen
 
Hydrogen
 
Calcium
Which of the following terms describes a rock going through great changes in temperature and pressure?
 
Metamorphism
 
Glaciation
 
Sedimentation
 
Erosion


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