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Sci Ch4 L1
Terms in this set (21)
The continuous movement of water between Earth's surface and the air, changing from liquid into gas into liquid
The changing of liquid into a gas
The changing of gas into a liquid
Any form of water that falls from the atmosphere and reaches the ground, such as rain, snow, sleet, or hail
An area from which water is drained
Precipitation that flows across the land's surface and is not absorbed
Precipitation that seeps into the ground and is stored in tiny holes, or pores, in soil and rocks
The continuous exchange of carbon dioxide and oxygen among living things
The continuous trapping of nitrogen gas into compounds in the soil and its return to the air
A mixture of dead plant material that can be used as fertilizer
Where does the energy for the water cycle come from?
During plant respiration:
Plants take in carbon dioxide and release oxygen.
the loss of water from a plant through its leaves
What are the key processes in the carbon cycle?
Photosynthesis and respiration
Microorganisms that carry out decomposition include
Bacteria and fungi
What are three ways nitrogen can be changed into a form organisms can use?
Lightening, volcanic activity, and nitrogen-fixing bacteria
Why are nitrogen-fixing bacteria important?
They change nitrogen into something plants can use.
What are renewable resources?
Resources that can replenish themselves over time
What are examples of renewable resources?
Wood, plants, animals
What are nonrenewable resources?
Resources that cannot be replaced in short span of time
What are examples of nonrenewable resources?
Fossil fuels (like coal, oil, and natural gas) and minerals
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