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Unit 3 Human Impact (Coral Reefs Biotic Factors (pH (pH is a measure of…
Unit 3 Human Impact
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Carbon Cycle
Carbon Sink
a forest, ocean, or other natural environment viewed in terms of its ability to absorb carbon dioxide from the atmosphere.
Fossil Fuel
a natural fuel such as coal or gas, formed in the geological past from the remains of living organisms.
Carbon Reservoir
Carbon-storing natural feature (such as a forest or the land mass) that exchanges carbon with other reservoirs.
Geosphere
any of the almost spherical concentric regions of matter that make up the earth and its atmosphere,
Biosphere
the regions of the surface, atmosphere, and hydrosphere of the earth (or analogous parts of other planets) occupied by living organisms.
Greenhouse Gases
a gas that contributes to the greenhouse effect by absorbing infrared radiation,
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Hydrosphere
all the waters on the earth's surface,
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Lihtosphere
the rigid outer part of the earth,
Photosynthesis
the process by which green plants and some other organisms use sunlight to synthesize foods from carbon dioxide and water.
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Energy Usage
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Fluorescent Lamp
a glass tube that radiates light when phosphor on its inside surface is made to fluoresce by ultraviolet radiation from mercury vapor.
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Halogen Lamp
any of the elements fluorine, chlorine, bromine, iodine, and astatine, occupying group VIIA (17) of the periodic table.
Lumen
he SI unit of luminous flux, equal to the amount of light emitted per second in a unit solid angle of one steradian from a uniform source of one candela.
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Current
a flow of electricity which results from the ordered directional movement of electrically charged particles.
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Pond Ecosystem
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Oxygen
a colorless, odorless reactive gas, the chemical element of atomic number 8 and the life-supporting component of the air.
Concentration
The amount of a particular substance in a given amount of another substance, especially a solution or mixture.
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Biotic Factor
relating to or resulting from living things, especially in their ecological relations.
Photosynthesis
he process by which green plants and some other organisms use sunlight to synthesize foods from carbon dioxide and water.
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Water pollution
Sediment Pollution
Sediment pollution is dirt, minerals, sand, and silt eroded from the land and washed into the water. It comes from areas where there is inadequate vegetation to slow runoff.
Toxic Pollution
Hazardous air pollutants, also known as toxic air pollutants or air toxics, are those pollutants that cause or may cause cancer or other serious health effects, such as reproductive effects or birth defects, or adverse environmental and ecological effects.
Nutrient Pollution
Nutrient pollution is the process where too many nutrients, mainly nitrogen and phosphorus, are added to bodies of water and can act like fertilizer, causing excessive growth of algae.
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Bacterial Pollution
it becomes unsafe for human consumption because the water contains dangerous or toxic substances and disease-causing bacteria and organisms.
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Greenhouse Gases
Greenhouse Effect
the trapping of the sun's warmth in a planet's lower atmosphere due to the greater transparency of the atmosphere to visible radiation from the sun than to infrared radiation emitted from the planet's surface.
Heat Flow
the process whereby heat moves from one body or substance to another by radiation, conduction, convection, or a combination of these methods.
Greenhouse Gases
a gas that contributes to the greenhouse effect by absorbing infrared radiation, e.g., carbon dioxide and chlorofluorocarbons.
Global Warming
a gradual increase in the overall temperature of the earth's atmosphere generally attributed to the greenhouse effect caused by increased levels of carbon dioxide, chlorofluorocarbons, and other pollutants.
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