Equilibrium within Ecosystems Crossword Puzzle

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QUESTIONS LIST: sustainability: an ecosystem's abilty to maintain equilibrium, watersheds: funnel-shaped areas of land where all the water drains to the same body of water, ground water: water that has soaked into the ground in a watershed, chemical: weathering occurs when chemical reactions cause rock to break down, micro habitiat: a small-scale habitat that differs from the area around it, abiotic: factors that are not alive and never have been alive, point source: pollution that comes from a single, identifiable source, such as a factory dumping waste into a river, quantitative: data that is collected in numerical form, dependent: what is being measured in an experiment, biotic: factors that are alive, permeable: water is able to flow through or into the ground, qualitative: data that is collected in word form, mechanical: weathering occurs when rocks break down, but their chemical composition stays the same, metamorphic: rocks form when extreme heat and pressure are applied, aquifers: underground rock formations where water collects and is accessed by wells, independent: variable that is being changed on purpose by the experimenter, surface water: water on the surface of the earth, superfund site: a list of natural sites that need to be cleaned up, impermeable: water is not able to flow through or into the ground, sedimentary: rocks form when igneous, metamorphic rocks and other rocks become weathered into small sediments