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17 questions
Which is the most abundant gas in the atmosphere?
hydrogen
oxygen
helium
nitrogen
Which process removes carbon dioxide from the atmosphere?
combustion
cellular respiration
photosynthesis
decomposition
Which cycle are fossil fuels (oil, coal, natural gas) part of?
carbon
water
nitrogen
phosphorus
Which cycle DOESN'T have an atmosphere component (part)?
carbon
nitrogen
phosphorus
water
What is the process of rain, snow, or hail falling from the sky?
evaporation
condensation
precipitation
runoff
Which one of these does not add CO2 to the atmosphere?
cooking with gas
planting trees
burning wood
riding in a bus
Which of the following ISN'T a fossil fuel?
oil
coal
uranium
natural gas
Which of the following ISN'T made with carbon?
Oil
Diamond
Glass
Plant Leaves
The process where rocks are broken down over time by wind and water, releasing phosphorus.
combustion
corrosion
deposition
erosion
What is the correct formula for water?
H20
H02
CH4
NH3
What is the correct formula for nitrogen gas found in the atmosphere?
N2
NO3-
NH4+
NO2-
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