Distribution of Earth's Water
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Questions and Answers

What is the main substance of concern in meteorology when discussing evaporation?

  • Nitrogen
  • Carbon dioxide
  • Water (correct)
  • Oxygen
  • What is the purpose of evaporation when the body sweats?

  • To accelerate perspiration
  • To increase body temperature
  • To remove heat from the body (correct)
  • To induce shivering
  • Where does transpiration mainly occur in plants?

  • Through flowers
  • Through stomata on the underside of leaves (correct)
  • Through seeds
  • Through roots
  • What happens to the impurities or salts as water evaporates from a lake?

    <p>They are left behind, making the lake salty.</p> Signup and view all the answers

    How much of the water passing through a plant is typically utilized in its growth process?

    <p>1%</p> Signup and view all the answers

    Which of the following is NOT a process involved in the hydrologic cycle?

    <p>Sublimation</p> Signup and view all the answers

    How does the hydrologic cycle restart after water evaporates into the atmosphere?

    <p>Water condenses into clouds.</p> Signup and view all the answers

    What makes water an excellent solvent?

    <p>Its ability to dissolve many polar and ionic substances.</p> Signup and view all the answers

    What is required for evaporation to take place?

    <p>Energy</p> Signup and view all the answers

    Why does water help regulate the environment's temperature effectively?

    <p>Because it has a high heat of vaporization.</p> Signup and view all the answers

    What is the primary reason for humans and other animals using water's high heat of vaporization?

    <p>To cool off.</p> Signup and view all the answers

    Why does water have a bent overall structure?

    <p>Because oxygen is more electronegative than hydrogen.</p> Signup and view all the answers

    What percentage of Earth's surface is covered by water?

    <p>71%</p> Signup and view all the answers

    Where is the majority of Earth's water found?

    <p>In glaciers and icecaps</p> Signup and view all the answers

    What percentage of Earth's freshwater is locked up in ice and in the ground?

    <p>65.5%</p> Signup and view all the answers

    What makes up the smallest portion of surface freshwater?

    <p>Rivers</p> Signup and view all the answers

    Where do humans get a large portion of their water from?

    <p>Rivers</p> Signup and view all the answers

    What describes the hydrologic cycle?

    <p>Continuous circulation of water in the Earth-Atmosphere system</p> Signup and view all the answers

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