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- 1. Multiple Choice
What is the most important thing to pack for a hike on a hot summer day?a compassa maphiking bootswater - 2. Multiple ChoiceWhat is the chemical formula for water?H2OCH4NH3CO2
- 3. Multiple ChoiceOn our planet, freshwater is found _____in relatively small amountsin moderate amountsin relatively large amountsalmost everywhere
- 4. Multiple ChoiceFreshwater is water that doesn't contain a lot of _____mineralspollutionsaltoxygen
- 5. Multiple ChoiceWhat percent of the water on the planet is salty?less than 1 percentabout 3 percentabout 97 percentabout 99 percent
- 6. Multiple ChoiceWhat percent of the planet's total water supply is freshwater?less than 1 percentabout 3 percentabout 97 percentabout 99 percent
- 7. Multiple ChoiceWhat percent of the planet's water is actually fresh water that's accessible to us?less than 1 percentabout 3 percentabout 97 percentabout 99 percent
- 8. Multiple ChoiceWhat is one of the most important sources of freshwater in the southwestern U.S.?the Mississippi Riverthe Missouri Riverthe Colorado Riverthe Saint Lawrence River
- 9. Multiple ChoiceThe Colorado river provides water to more than _____4 thousand people40 thousand people4 million people40 million people
- 10. Multiple ChoiceToday, in the Colorado River, how much water is there compared to 100 years ago?about 4 million liters moreabout 4 million liters lessabout 4 billion liters lessabout 4 trillion liters less
- 11. Multiple ChoiceWho has been using more of the water every year, leaving less of it for future generations?humansplantsanimalsthe natural landscape
- 12. Multiple ChoiceOn the graph, the red line shows how much water _____evaporated each yearflowed out of the riverremained in the riverwe used each decade
- 13. Multiple ChoiceThe vaquita that lives in the Gulf of California is a rare species of _____fishwhaleporpoiseamphibian
- 14. Multiple ChoiceToday, how many vaquitas are left in the world?fewer than 10fewer than 100fewer than 1000fewer than 10 000
- Answer choicesTagsAnswer choicesTags