The three types of rock October 21st, 2011 • Filed under: geology | humor Hah. My sister sent this to me. Related Posts She gets good reception December 8, 2009 So long Twitter! April 5, 2009 I love you, Chemistry Cat October 14, 2011 cats ← Previous Post Extrapolating the screen size of Android mobile phones over time. Next Post → Stop SOPA
