Nutrient Cycles Question Preview (ID: 13571)


Water, Oxygen, Carbon, Nitrogen, And Phosphorus Cycles. TEACHERS: click here for quick copy question ID numbers.

What are the main processes of the water cycle?
a) Erosion, Precipitation, Weathering
b) Precipitation, Condensation, Erosion
c) Weathering, Precipitation, Evaporation
d) Evaporation, Condensation, Precipitation

What process removes carbon dioxide from the atmosphere?
a) Transpiration
b) Photosynthesis
c) Respiration
d) Evaporation

How does carbon dioxide get released into the atmosphere?
a) Photosynthesis
b) Erosion
c) Evaporation
d) Burning fossil fuels

Which element is the most abundant in the atmosphere, but it has to be
a) Nitrogen
b) Phosphorus
c) Oxygen
d) Carbon

What has to happen to nitrogen before it can be
a) Taken in by plants
b) Eaten by smaller animals
c) Bacteria must convert it
d) It has to go in to the soil

The erosion of rocks causes the release of what element?
a) Phosphorus
b) Carbon
c) Nitrogen
d) Oxygen

Fertilizers are rich in which two elements?
a) Oxygen and Phosphorus
b) Carbon and Nitrogen
c) Nitrogen and Phosphorus
d) Hydrogen and Carbon

The burning of fossil fuels is known as what?
a) Combustion
b) Transpiration
c) Evaporation
d) Erosion

How do humans alter the carbon cycle?
a) By breathing out carbon dioxide
b) By burning fossil fuels
c) By using too much fertilizer
d) By planting too many trees

How does deforestation affect the carbon cycle?
a) Trees release carbon dioxide, so there won't be enough carbon dioxide without trees
b) Cutting down trees causes carbon to enter the soil
c) Cutting down trees doesn't affect the carbon cycle
d) Trees take in carbon dioxide through photosynthesis, so there will be too much carbon dioxide

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