lpira/education/powerpoints/ seasons . ppt
www.lpi.usra.edu/education/powerpoints/ seasons . ppt http:// www.lpi.usra.edu/education/resources/standards/seasons.shtml students.kennesaw.edu/~ kfitzge5/Weather%20and%20 Seasons . ppt. ~Planets and Seasons ~. In the Spring time, the air gets warmer.
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