Preservation of the Ozone Layer Worksheet

One atom of __________ can destroy more than 100,00 ozone molecules according to the U.S. Environmental Protection Agency
Aerosols from cans sometimes contains ozone-depleting substances called ____________________.
Ozone sits in the upper atmosphere and absorbs ___________ ___________, another type of solar energy that's harmful to humans, animals and plants.
Global warming is caused primarily by putting too much __________ ___________ into the atmosphere when coal, oil, and natural gas are burned to generate electricity or to run our cars.
The stratospheric ozonelayer absorbs ultraviolet (UV) radiation, preventing dangerous UV rays from hitting _________ ___________ and harming living organisms.
People, plants, and animals living under the ozone hole are harmed by the solar radiation now reaching the Earth's surface where it causes health problems, from ___ ______ to ____ ______.
_____ _____________ _______ create conditions for drastic ozone destruction, providing a surface for chlorine to change into ozone-destroying form.
CFC's were commonly found in refrigerants, solvents, propellants, and foam-blowing agents before the _________ ________ was agreed on in the 1980's
Since 1960's, there hs been a trend of increasing warming of the lower atmosphere and a cooling of the upper atmosphere. This ________-_________ ________ creates conditions that lead to ozone loss.
The International Day for the Preservation of the _____ ______ marks the date of the signing in 1987, of the Montreal Protocol on substances that deplete the Ozone Layer.
____________________ are being used as substitutes for CFC's because many of their properties rae similar and are less harmful to ozone by having a shorter half-life. This is considered a temporary solution.