Term
what produces a variety of weather |
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Definition
combination of earths motions and energy from the sun |
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Definition
climate is based on observations of weather that have been collected over many years, climate helps describe a place or region |
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Definition
air is a mixture of different gases and particles each with its own physical properties, the composition of air varies from time to time and from place to place |
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what two gases make up 99 percent of dry air |
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Definition
nitrogen and oxygen make up 99 percent of the volume of clean, dry air |
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what gas plays a significant role in heating the atmosphere |
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Definition
carbon dioxide is an active absorber of energy given off by earth |
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what is the source of all clouds and precipitation |
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Definition
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what are some particles that remain suspended for long periods of time |
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Definition
sea salts from breaking waves, fine soil blown into the air, smoke and soot from fires,pollen µorganisms lifted by the wind, & ash & dust from volcanic eruptions |
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Term
when do oxygen atoms split into single atoms of oxygen |
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Definition
taviolet radiation emitted from the sunhey split when they absorb ultr |
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ozone absorbs harmful uv radiation from the sun |
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what accounts for nearly half the primary pollutants by weight |
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Definition
emissions from transportation vehicles |
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Term
what are secondary pollutants |
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Definition
they are not directly into the air, they form in the atmosphere when reactions takeplace among primary pollutants and pther substances |
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what are photochemical reactions |
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Definition
reactions triggered by strong sunlight |
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Term
what is atmospherere pressure |
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Definition
is simply the weight of the air above |
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Term
how many layers is the atmosphere divided into |
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Definition
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in what layer do most weather occur |
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Definition
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where does most energy that drives weather and climate coe from |
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Definition
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what creates winds and dives the oceans currents |
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Definition
it is the unequal heating that creates winds of eartheating and drives the ocean currents |
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Definition
is the spinning of earth about its axis |
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