Carbon dioxide - a colorless, odorless gas produced by burning carbon and organic compounds and by respiration that acts as a greenhouse gas, Climate - weather conditions prevailing in an area in general or over a long period., Climate Change - refers to significant changes in global temperature, precipitation, wind patterns and other measures of climate that occur over several decades or longer., Cyclic Fluctuations - increase or decrease in the frequency of a disease or health condition in a population over a period of time., Depletion - global reduction in the thickness of the ozone layer, caused by chlorine and bromine atoms which reach the stratosphere, Earth's Orbit - rotation around the sun (365 days), El Nino - refers to the above-average sea-surface temperatures that periodically develop across the east-central equatorial Pacific. (Warming phase), Global Warming - a gradual increase in the overall temperature of the earth's atmosphere generally attributed to the greenhouse effect, Greenhouse Effect - a natural process that warms the Earth’s surface, Greenhouse Gases - elements in Earth’s atmosphere that trap heat near the surface, La Nina - refers to the periodic cooling of sea-surface temperatures across the east-central equatorial Pacific. (cooling phase), Latitude - the measurement of distance north or south of the Equator, Methane - a hydrocarbon that is a primary component of natural gas and that acts as a primary greenhouse gas, Milankovitch cycle - describe how relatively slight changes in Earth's movement affect the planet's climate, Ozone - is a highly reactive gas composed of three oxygen atoms, which occurs in the Earth's upper atmosphere, Ozone layer - protect life from harmful ultraviolet radiation, Volcanism - the phenomenon of eruption of molten rock (magma) onto the surface of the Earth, Water vapor - gaseous phase of water,

Changes in the Earth's Ecosystem

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