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- 1. Multiple Choice
To keep on living, all living things need _____Crash Course videosYouTube videos of catssome form of waterMarvel superhero movies - 2. Multiple ChoiceHow much of the surface of the Earth is covered in water?less than halfabout halfabout two-thirdsmore than two-thirds
- 3. Multiple ChoiceWe actually have enough water on Earth to leave a faucet running for _____136 thousand years136 million years136 billion years136 trillion years
- 4. Multiple ChoiceMost of the water on earth is _____in flowing riversin large lakestrapped in glaciersin the oceans
- 5. Multiple ChoiceWhat kind of water is found in rivers, ponds, wetlands, and streams?salt waterfresh waterhard watermineral water
- 6. Multiple ChoiceFreshwater contains _____less than 0.1% saltabout 0.1% saltabout 1% saltmore than 1% salt
- 7. Multiple ChoiceWhich field of science deals with the Earth's surface?biologyastronomygeographyarchaeology
- 8. Multiple ChoiceOn a map of the Earth, most of the blue stuff represents _____glacierslandfresh watersalt water
- 9. Multiple ChoiceWhat percent of the water on the planet is salty?less than 95%about 95%about 97%more than 97%
- 10. Multiple ChoiceWhat percent of the planet's total water supply is freshwater?less than 3%about 3%about 5%more than 5%
- 11. Multiple ChoiceWhat percent of the planet's water is locked up freshwater in frozen glaciers or underground?less than 2%about 2%about 3%more than 3%
- 12. Multiple ChoiceIn North America, a large source of freshwater is _____the Atlantic Oceanthe Pacific Oceanthe Great LakesHudson Bay
- 13. Multiple ChoiceWhat percent of Earth's available freshwater is in the five Great Lakes?less than 20%about 20%about 30%more than 30%
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