What have CFCs done to Earth and its atmosphere?
CFCs have created a hole in the ozone layer, caused more UV radiation to reach earth, and caused cancer to rise (#s).
Why are there fewer molecules of air up in the mountains?
Mountains have fewer air molecules because of air pressure decreases as you go higher.
What is it called when water changes from gas to liquid?
Condensation
Gas changes into liquid
What is it called when water changes from a liquid to gas?
Evaporation
Liquid changes to gas
What is the most abundant gas in Earth's atmosphere?
Nitrogen
Where can CFCs be found?
CFCs are found in refrigerators, air conditioners, and aerosal cans.
What causes a shooting star?
A shooting star are meteors in the mesosphere.
Which layer of the atmosphere is named after its high temperatures?
Thermo means temperature
Highest temperatures are found in the Thermosphere
What preceded (came before) the growth and survival of green plants on Earth?
The formation of the ozone preceded green plants.
Why are the thermosphere and exosphere the warmest of the atmospheric layers?
Exosphere and thermosphere are the warmest since they are the closest to the sun.
How have humans altered the composition of Earth's atmosphere?
Humans have altered the composition of the Earth's atmosphere by polluting with carbon dioxide gas.
How is the troposphere warmed?
The sun warms Earth's surface, which warms the air above it.
Which layer contains the ozone layer?
The stratosphere contains the ozone layer.
What is the outermost layer of the atmosphere?
The exosphere is the outermost layer of Earth's atmosphere.
What would happen if Earth had no atmosphere?
The days would be hot and the nights would be cold.
Force exerted on an area is...
Pressure is force exerted on an area.
The hydrosphere, which consists of all of Earth's water, is maintained by...
The hydrosphere is maintained by recycling water in the atmosphere. (Water Cycle)
What form of energy transfer heats the Earth?
Radiation is the form of energy transfer that heats the Earth.
Heat flows from ...
Heat flows from high to low temperatures.
How does the atmosphere benefit Earth?
The atmosphere benefits Earth by protecting it from the harmful rays of the sun.