History and People
The scientist who first showed data on the ozone hole
Who is Joseph Farman?
The halogens mainly responsible for ozone depletion
What is chlorine and bromine?
Definition of an ozone hole
What is less than 220 DU?
Caused by the Earth’s tilted axis
What are the seasons?
The weight of the air above you
What is pressure?
The year the Montreal Protocol was signed
What is 1987?
The most abundant gas molecule in the lower atmosphere
What is nitrogen?
This causes wind in the atmosphere
What are Pressure or temperature gradients?
Time period when the sun never rises at the South Pole
When is March equinox to September equinox?
The units of volume mixing ratio
#of molecules/total # of air molecules
The main chemical company arguing against the Montreal Protocol
What is Dupont Chemical?
Type of reaction that requires more than one phase
What is heterogeneous?
Name two ways to measure ozone in the atmosphere
What is satellites, aircrafts, balloon sondes, lasers, or ground based systems?
The direction that hurricanes rotate in the northern hemisphere
What is counterclockwise?
Any element in the 17th column of the periodic table
What is a halogen?
The president when the Montreal Protocol was signed
Who is Ronald Reagan?
The three properties of CFCs that made them seem so good to the public
What is nonflammable, nontoxic, and nonreactive?
The approximate latitudes of the ozone hole
What is 60 to 90 degrees S?
The side you want your driveway to face to melt the snow more quickly
What is south?
The atmospheric layer where meteorites are burned up
What is the mesosphere?
The decade that CFCs were introduced
What is the 1920s?
Molecule released when HCl and ClONO2 react on PSCs
What is Cl2?
The three things contributing to the creation of the polar vortex over Antarctica in winter
What is cold temperatures, pressure gradients, and the coriolis force?
The regeneration of this during reactions causes greater ozone destruction
What is a catalyst?
What EESC stands for
What is Equivalent Effective Stratospheric Chlorine?