Atmosphere Characteristics Crossword

the state of the atmosphere at a certain time and place
the ______ has existed 4.6 billion years
based on observations of weather that have been collected over years
the 2 major components that make up our atmosphere are oxygen and _____________
air is a mixture of particles and different __________
the ozone is made up of oxygen molecules that contains 3 _____________
emissions from ______________ account for nearly half the primary pollutants by weight
the bottom layer of the atmosphere
the atmosphere ___________ as you travel away from Earth
the atmosphere can be divided vertically into four layers based on ___________
bottom layer of atmosphere where temperature decreases with an increase in altitude
temperatures increase in this layer because the ozone is concentrated here
third layer of the atmosphere
thin layer in the atmosphere
on Earth the lower you go the higher the ______________________
June 21 is the summer ____________
the __________ solstice occurs on December 21 in the Northern Hemishere
the region of the atmosphere above the mesosphere
the equinox that occurs on September 22
the equinox that occurs on March 21
__________ ___________ is the source of all clouds and precipitation