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- 1. Multiple ChoiceWhat percentage of Earth's water is found in the oceans?97%100%70%50%
- 2. Multiple ChoiceHow does the Sun cause water to move from the oceans to the atmosphere?evaporationprecipitationinfiltrationtranspiration
- 3. Multiple ChoiceHow do clouds form?When saturated air coolsWhen unsaturated air coolsWhen saturated air warmsWhen unsaturated air warms
- 4. Multiple ChoiceWhat causes it to rain?When the water droplets in clouds grow large enoughWhen enough runoff returns to the oceanWhen underground aquifers get replenishedWhen enough transpiration occurs
- 5. Multiple ChoiceWhat is transpiration?A process where plants release water vapor from their leavesTo take or carry from one place to another with a vehicleA process of condensation from water vapor in the atmosphere into microscopic droplets of liquid water
- 6. Multiple ChoiceWhat human activity uses the most water worldwide?agriculturerecreationhuman bodily consumptiondecoration
- 7. Multiple ChoiceWhat human activity uses the most water in the United States?agriculturerecreationhuman bodily consumptionindustrial processes
- 8. Multiple ChoiceWhat organisms break down chemical wastes in a treatment plant?bacteriamammalsplantsfungi
- 9. Multiple ChoiceWhat is an aquifer?A bottled water brandA porous rock that stores waterA body of water that stores water for human useA body of water that is composed of salt water instead of fresh water
- 10. Multiple ChoiceIn what ways can runoff be a problem?It can cause flooding and erosionIt can raise gloabl sea levelIt can create too much cloud cover
- 11. Multiple ChoiceChange from a liquid to a gas.
Change from a solid to a liquid.Evaporation; meltingMelting; evaporationCondensation; freezingFreezing; condensation - 12. Multiple ChoiceChange from a gas to a liquid.
Change from a liquid to a solid.Condensation; freezingFreezing; condensationEvaporation; meltingMelting; evaporation - 13. Multiple ChoiceOcean -> Atmosphere
Atmosphere -> CloudsEvaporation; condensationCondensation; evaporationMelting; freezingFreezing, melting - 14. Multiple ChoiceCloud -> Snow
Glacier -> River
Cloud -> SoilFreezing; melting; precipitationMelting; freezing; condensationEvaporation; melting; precipitation - 15. Multiple ChoiceOcean -> Cloudevaporation, condensationevaporation, precipitationprecipitation, condensationprecipitation, evaporation
- 16. Multiple ChoiceCloud -> GlacierFreezing, precipitationFreezing, meltingMelting, precipitationMelting; freezing
- 17. Multiple ChoiceWhich process in the water cycle purifies salt water into fresh water?EvaporationPrecipitationRunoffCondensation
- 18. Multiple ChoiceThe entire water cycle could occur over the time span of:a few secondsa daya yeara few million years
- 19. Multiple ChoiceLife as we know it is based on water being in its ___ state of matter.gaseousliquidsolidplasma
- 20. Multiple ChoiceMost of the water on Earth is healthy to drink by humans.TrueFalse
- 21. Multiple ChoiceFor the most part, the Earth system over the course of one thousand years will ___ water molecules.losegainhave no change in
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