Fresh Water Resources
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Questions and Answers

What percentage of Earth's water is accessible for human use?

Only a small portion

Where is nearly two-thirds of Earth's fresh water stored?

In the polar ice caps, snow packs, and glaciers

What factors influence the rate of evaporation at the ocean surface?

Sea surface temperature, surface winds, and air temperature

What are atmospheric rivers?

<p>Low-lying regions of the atmosphere with high moisture and strong winds that transport water horizontally</p> Signup and view all the answers

How do clouds help regulate temperature on Earth?

<p>Clouds act as insulators in the atmosphere, shielding the Earth from the Sun and trapping heat from below</p> Signup and view all the answers

What factors contribute to the growth and intensification of storms?

<p>Atmospheric moisture, surface temperatures, and wind patterns contribute to the growth and intensification of storms.</p> Signup and view all the answers

How does precipitation vary geographically and over time?

<p>Precipitation can vary substantially from place to place and from season to season and year to year.</p> Signup and view all the answers

Where is water stored after falling on the land surface as precipitation?

<p>Water is stored within snow packs, lakes, reservoirs, soils, and underground aquifers after falling on the land surface as precipitation.</p> Signup and view all the answers

How does the availability of water affect vegetation and the primary source of food?

<p>The availability of water affects the type and abundance of vegetation, which serves as the primary source of food for animals and people.</p> Signup and view all the answers

What are the impacts of extreme water cycle variability on humans worldwide?

<p>Extreme water cycle variability, such as unusually dry or wet conditions, can have significant impacts on humans worldwide, including hazards like floods that exact a costly economic and human toll.</p> Signup and view all the answers

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