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	Big Idea 9: Humans Change Earth (American Geosciences Institute) View
	Big Idea 4: Earth Continually Changes (AGIeducation) View
	Big Idea 6: Life Evolves on Earth (AGIeducation) View
	Big Idea 8: Natural Hazards Affect Humans (AGIeducation) View
	Big Idea 7: Earth Provides Resources (AGIeducation) View
	Big Idea 3: Earth's Systems Interact (AGIeducation) View
	Big Idea 2: Earth is 4.6 Billion Years Old (AGIeducation) View
	What Earth in 2050 could look like - Shannon Odell (TED-Ed) View
	Big Idea 6: Life Evolves on Earth (American Geosciences Institute) View
	Big Idea 5: Earth is the Water Planet (AGIeducation) View