impact - an effect or result, natural resources - Materials or substances such as minerals, forests, water, and land to be used., economic - the system in a country that involves making, buying, and selling goods, Solution - the answer to a problem, problem - anything thrown forward to be worked on, or solved, population - group of individuals of the same species that live in the same area, environment - The total surroundings of an organism or a group of organisms., exploit - to take advantage of, over exploitation - the use or extraction of a resource until it is gone, Acid Rain - toxic precipitation. It results largely from the burning of fossil fuels, such as coal, gasoline, and fuel oils., Biodiversity - the many different types of life that exist in an environment, Carbon Cycle - Carbon moves continuously through the atmosphere, living organisms, and Earth's crust in its various states., Carbon dioxide - a waste product made by cells of the body; a gas in the air made of carbon and oxygen atoms: Humans rid themselves of carbon dioxide waste by exhaling, or breathing out., Deforestation - the clearing, by burning or logging, of trees in a forested area, Global warming - the slow warming of Earth's atmosphere due to climatic change, Melt - to change a substance from solid to liquid, Nitrogen cycle - a process in which nitrogen in the atmosphere enters the soil and becomes part of living organisms then eventually returns to the atmosphere, Pollution - harm to air water or soil by substances that can harm living things, Pollute - to put harmful materials into the air, water, or soil, Pollutant - Harmful substances that can impact an ecosystem causing harm, Transportation - movement of people and goods from one place to another, Abiotic factors - Non-living things- air, water, soil, rocks, etc, Biotic factors - All living things- people, animals, and plants, Point sources - origin of pollution from a single location, biosphere - that part of Earth in which life can exist, climate - Average weather conditions in a region over a period of time, Fossil fuels - Fossil fuels come from the decay of organisms buried in sediments that are pressed tightly together for millions of years, at very high temperatures. These nonrenewable resources are rich in energy. They exist as solids, liquids, and gases - some examples of which are coal, petroleum, and natural gas. The use of fossil fuels made global industrialization possible. Fossil fuels currently supply the world with more than 85 percent of its energy.,

Unit 9

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