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Joan Shinkle

7 Slideshow
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Life Cycle of Stars
porJoan Shinkle
 
Life Cycle of Stars
porJoan Shinkle
 
Expansion Of The Universe
porJoan Shinkle
 
Astronomy Intro
porJoan Shinkle
 
Electromagnetic Waves
porJoan Shinkle
 
Acceleration & Momentum
porJoan Shinkle
 
Force & Motion
porJoan Shinkle