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Mod. G 4-1 Human Imp
Mod. G Unit 4 Lesson 1 - Human Impact
Term | Definition |
---|---|
Algae | are plant-like organisms that use the energy of sunlight to make sugars. |
Habitat | the place where an organism lives. |
Point-source Pollution | occurs when harmful materials enter Earth’s hydrosphere from a single, identifiable source such as a factory. |
Nonpoint-source Pollution | comes from many sources, including rainwater that picks up pollutants as it moves across land. |
Extinct | When no more individuals of a species remain on Earth. |
Emissions | the production and discharge of something into the atmosphere. |
Delta | the fan shaped land mass near the mouth of a river. |
levee | a raised part of land either naturally occurring or human built to contain rising river waters. |
Watershed | an area of land drained by a river system. |
Contaminant | a substance that makes something less pure or makes it poisonous. |