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Introduction

Introduction

Photo Credits

Introduction
Earth as seen from Apollo 17 (NASA/Wikimedia Commons)
Crab Nebula (NASA/Wikimedia Commons)
Studying (MC Quinn/Creative Commons)

Lesson 1
Rocky Mountains (Changlc/Wikimedia Commons)

Lesson 2
Agaricocrinus americanus (Vassil/Wikimedia Commons)

Lesson 3
Woolly Mammoth at the Royal BC Museum – (Tracy O/Wikimedia Commons)

Lesson 4
Coral Reef, East Timor (Nick Hobgood/Wikimedia Commons)

Lesson 5
A+ (stock.xchng)

Lesson 6
Cumulus Clouds (Michael Jastremski/Wikimedia Commons)

Lesson 7
Tornado (Justin Hobson/Wikimedia Commons)

Lesson 8
Replica of Sputnik 1 (NASA/Wikimedia Commons)

Lesson 9
Sun in X-Ray (NASA Goddard Laboratory of Atmospheres/Wikimedia Commons)

Lesson 10
A+ (stock.xchng)