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1
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Energy in motion
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5
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Rubbish we make at home,school,hospitals,and work places
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6
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The removal of trees over a large area
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7
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Gases that trap solar energy
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8
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A gradual increase in the temperature of Earth's atmosphere
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10
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Resources that cannot be replaced once they are used up
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11
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Energy at rest
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13
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Smog formed when certain gases in the air react with sunlight
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2
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A layer of warm air traps polluted air near the surface
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3
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A radioactive gas produced by rocks
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4
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Easily rot or decay into organic matter
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9
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Resources that can be replaced as they are used
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12
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Solid particles and gases that are released into the air
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13
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The introduction of a contaminant into the environment
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14
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A form of Oxygen which is toxic and a major chemical found in smog
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15
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Caused by moisture in the atmosphere mixing with other chemicals to form a weak acid
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