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a comparison between how much water vapor is in the air and how much the air could hold
What happens in the troposphere
is where we live & breathe, is also the part of the atmosphere where most of the Earth's weather occurs
layer begins about 6 to 10 miles above the Earth's surface and ends about 30 miles or 48 kilometers away from the Earth
What happens in the stratosphere
not very many clouds, is where airline pilots like to fly because less bouncy, temperatures increase with altitude until the top is reached
What happens in the mesosphere
temperature drops with increase in altitude, very strong winds that blow, burning meteors may be seen in this layer
What happens in the thermosphere
temperature very hot reach 1,100 degrees Fahrenheit or 600 degrees Celsius is divided into two parts - ionosphere and exosphere
very important for radio communications because it is able to reflect radio waves back to Earth, also creates auroral displays (Northern Lights)
a part of the atmosphere where air moves in a circular pattern because of an unequal heating
the process of Earth's water moving from place to place through evaporation, condensation, and precipitation
How does relative humidity effect how you feel
If relative humidity is 100% and hot outside you feel hotter, if it relative humidity is low and cold you feel colder
a metric temperature scale on which water freezes at 0 degrees and water boils at 100 degrees
What are two factors that affect air pressure
1. temperature and 2.amount of air above it (Earth's surface)
What happens to most of the sunlight that enters the Earth's atmosphere
most of the sunlight is absorbed by Earth's surfaces, land and water and warms them
Why is Northern Hemisphere warmer in summer than spring or fall when it is farther from the Sun
The Sun is directly hitting the surface of the Northern Hemisphere
What are two factors that determine the amount of water vapor in the air _______ and ________
temperature and air pressure
The amount of water vapor in a given volume of air at 100% humidity depends on the _________
The North & South Poles are colder because the Sun's rays hit the Earth's surgace at a _____ angle
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