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science
| Term | Definition |
|---|---|
| environmental science | the study of the air, water, and land surrounding an organism or a community, which ranges from a small area to earth's entire biosphere; it includes the study of the impact of humans on the environment |
| ecology | the study of the interactions of living organisms with one another and their environment |
| agriculture | the raising of crops and livestock for food or for other products that are useful to humans |
| natural resources | any natural material that is used by humans , such as water, petroleum, minerals . forests, and animals |
| pollution | an undesirable change in the natural environment that is caused by the introduction of substances that are harmful to living organisms or by excessive wastes, heat, noise, or radiation |
| biodiversity | the variety of organisms in a given area, the genetic variation within a population, the variety of species in a community, or the variety of communities in an ecosystem |
| law of supply and demand | a law of economics that states that as the demand for a good or service increases, the value of the good or service also increases |
| ecological footprint | a calculation that shows the productive area of earth needed to support one person in a particular country |
| sustainability | the condition in which human needs are met in such a way that a human population can survive indefinitely |