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Trayectoria de choque: Los asteroides y la Tierra (Collision Course: Asteroids and Earth)
Historietas Juveniles: Peligros del medioambiente (Jr. Graphic Environmental Dangers)
An asteroid hitting Earth may sound like science fiction, but it is a real danger. This book explores what the different scenarios might be and how we can prepare ourselves in case such a disaster should occur.
RL
Grades
4 IL
Grades
3-6 
