Insolation
the amount of the Sun’s energy that reaches Earth at givin time and place
Atomsphere
the blanket of gases that surrounds Earth
Troposphere
the layer of the atmosphere closest to Earth’s surface
Air Pressure
the force put on a givin area by the weight of the air above it
Weather
what the lower atmosphere is like at any givin place and time
Barometer
a device for measuring air pressure