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Air is made up of ....
gases, particles, dust, water droplets, ice crystals
What are the permant atmospheric gases?
Nitrogen, Oxygen, Argon, water vapor, trace gases
Which gases of the atmosphere can change?
water vapor, ozone, carbon dioxide
Why is water vapor and carbon dioxide important?
The gases regulate the amount of enegty the atmosphere absorbs and emits, Green House Effect
What affects the amount of water vapor in the atmosphere?
seasons, altitude, surface beneath the air
Why has carbon dioxide gas increased over the last decades?
Buring fossil fuels
Why are fossil fuels burned?
heat buildings, produce electricity, power vehicles,
Besides carbon dioxide, what other gases are released by burning fossil fuels?
sulfur dioxide and nitrogen oxides
What is the atmosphere?
the gases that suround the Earth that extends from the surface to space.
What is ozone made up of?
3 oxygen molecules, O3
What chemical destroys ozone?
chlorofluorocarbibs, CFCs
How does salt get into the air?
from ocean sprays
How does dust get into air?
dust particles are picked up by the wind
How do airborne microorganisms get into the air?
fungi/bacteria are attached to dust particles
How many layers is the atmosphere divided into?
5
What makes the atmospheric layers different?
each layer has a different composition and temperature profile
