3193132
Description
Flashcards by 2005002522, updated more than 1 year ago
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Created by 2005002522
over 9 years ago
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| Question | Answer |
| Biosphere | That part of the Earth inhabited by organisms, that is, the narrow zone in which plants and animals exist. |
| Carrying Capacity | The maximum number or "load" of individuals that an environment can sustainably support. |
| Ecologycal Footrpint | The area of land and water required to support a defined human population at a given standard of living. |
| Ecosystem | A community of interdependent organisms and the physical environment they inhabit. |
| Eutrophication | The natural or artificial enrichment of a body of water, particularly with respect to nitrates and phosphates, that results in depletion of the oxygen content of the water. |
| Global Warming | An increase in average temperature of the Earth’s atmosphere. |
| GNP | Gross National Product, the current value of all goods and services produced in a country per year. |
| Greenhouse Gases | Those atmospheric gases which absorb infrared radiation, causing world temperatures to be warmer than they would otherwise be. |
| Halogenated Organic Gases | Usually known as halocarbons and first identified as depleting the ozone layer in the stratosphere |
| Pollution | The addition to an environment of a substance or an agent (such as heat) by human activity, at a rate greater than that at which it can be rendered harmless by the environment, and which has an appreciable effect on the organisms within it. |
| Non-point source pollution | The release of pollutants from numerous, widely dispersed origins |
| Point source pollution | The release of pollutants from a single, clearly identifiable site |
| Smog | The term now used for any haziness in the atmosphere caused by air pollutants. |
| Society | An arbitrary group of individuals who share some common characteristic such as geographical location, cultural background |
| Sustainability | Use of global resources at a rate that allows natural regeneration and minimizes damage to the environment. |
| Biochemical Oxygen Demand (BOD) | A measure of the amount of dissolved oxygen required to break down the organic material in a given volume of water through aerobic biological activity. |
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