Hydrosphere Retest
Quiz by Deborah Roll
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20 questions
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- Q1How does the amount of water present on Earth today compare with the amount present millions of years ago?There is significantly more water on Earth today.There is significantly less water on Earth today.There is about the same amount of water on Earth today120s
- Q22. What is the biggest cause of decreasing water availability in North Carolina?evaporationincrease in populationglobal warming120s
- Q33. Which represents the distribution of water on Earth?3% freshwater, 97% salt water71% freshwater, 29% saltwater97% fresh water, 3% saltwater120s
- Q44. What is the hydrosphere?All of Earth's organisms and the environments in which they liveOnly the water located in the oceanAll of the water in Earth's[ oceans, lakes, seas, rivers, and glaciers, plus the water in the atmosphere120s
- Q55. Which of the following is NOT one of the unique properties of water?High specific heatAbility to change phasescohesion120s
- Q66. What is a river basin?The land formed when rivers create estuaries and marshesThe land drained by a river and its tributaries.The land formed as a result of a river flooding.120s
- Q77. Why are estuaries important?Estuaries are tropical areas that support an abundance of life found usually in cold regions of the ocean.Estuaries are freshwater areas that support a large amount of living things.Estuaries are where freshwater and saltwater collide , resulting in a large amount of biodiversity120s
- Q88. Which two water cycle processes cause the ocean's salinity to change the most?Evaporation and condensationPrecipitation and evaporationTranspiration and precipitation120s
- Q99. What is the movement of cold, nutrient rich waters from the bottom of the ocean called?PrecipitationEutrophicationUpwelling120s
- Q1010. In which ocean zone is it the most difficult to survive because of daily changing environment?The aphotic zoneThe neritic zoneIntertidal zone120s
- Q1111. Which of the following best describes the relationship between dissolved oxygen and fish?Low dissolved oxygen has no effect on fish, while high dissolved oxygen causes fish to migrate.Low dissolved oxygen causes fish to die, while high dissolved oxygen causes fish to thrive.Low dissolved oxygen causes fish to thrive, while high dissolved oxygen causes fish to die.120s
- Q1212. What might happen if high nitrogen fertilizers are washing to a nearby lake by runoff?A decrease in pollution resulting in lower ozone levels in the lakeA decrease in mineral storage reducing the carbon levels in the lakeAn increase in algae growth resulting in low oxygen levels in the lake120s
- Q1313. How does the use of a pH meter help to monitor the hydrosphere?By indicating if there is too much sediment in the water.By indicating if there is enough dissolved oxygen in the water.By indicating whether the water is too acidic or too basic120s
- Q1414. Which temperature is most likely the best for the health of river organisms?86 degrees82 degrees90 degrees120s
- Q1515. How are bioindicator species used like a warning system for lakes and streams?Their numbers indicate whether the water is pollutedThey indicate when food sources are decliningTheir numbers indicate when food is plentiful.120s