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Human Impact - Earth Science

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Across
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Hazy, yellow-brown blanket of smog found over cities that is formed with the pep of sunlight, contains ozone near the Earth's surface, and can damage lungs and plants
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Volume of water that flows past a specific point per unit of time
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Device that lowers sulfur emissions from coal-burning power plants
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Conservation method in which old materials are processed to make new ones
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Pollution that enters water from a large area and cannot be traced to a single location
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Substance with a pH lower than 7
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Careful use of resources to reduce damage to the environment through such methods as composting and recycling materials
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Scale used to measure how acidic or basic something is
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Area where garbage is deposited and covered with soil and that is designed to prevent contamination of land and water
Down
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Pollution that enters water from a specific location and can be controlled or treated before it enters a body of water
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Total number of individuals of one species occupying the same area
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Acidic moisture, with a pH below 5.6, that falls to Earth as rain or snow and can damage forests, harm organisms, and corrode structures
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Substance used to keep insects and weeds from destroying crops and lawns
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Water that goes into drains and contains human waste, household detergents, and soaps
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Colorless, odorless gas that reduces the oxygen content in the blood, is found in car exhaust, and contributes to air pollution
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Poisonous, ignitable, or cancer-causing waste
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Fine solids such as pollen, dust, mold, ash, and soot as well as liquid droplets in the air that can irritate and damage lungs when breathed in
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Conservation method in which yard wastes such as cut grass, pulled weeds, and raked leaves are piled and left to decompose gradually
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Chemical that helps plants and other organisms grow
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Maximum number of individuals of a given species that the environment will support
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Any substance that contaminates the environment
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Substance that causes chemical reactions to happen more quickly
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Substance with a pH above 7