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22 Cards in this Set

  • Front
  • Back
What percentage of the earth's surface is covered with water?
3/4 or 75% of the earth is covered with water
What are winds that blow from the same directions known as?
prevailing winds
What nation has more tornadoes than any other nation in the world?
United States
What makes up the hydrosphere?
The hydrosphere is made up of all the water on earth including the oceans, lakes, land water and the atmosphere
What is the amount of water vapor in the air called?
What percentage of the human body is made up of water?
70% of the body is water
What is the horizontal motion of air between areas of different pressure?
What percentage of the world's population lives in areas with severe water problems?
30% of the population live where there are severe water problems
The process by which water vapor changes from a gas into a liquid is called?
Michigan is in what climate zone?
Hunid Continental Climate zone
How long can humans survive without water?
Humans can survive only a week without water
On what continents would you find the humid continental climate region?
North America, Asia, and Europe
The southern part of the United States falls primarily in what climate region?
Humid subtropical
This climate has the most changeable weather conditions and experiences four distinct seasons
humid subtropical
What US state is the only one with a portion of tropical savanna climate?
The human brain and a tree are what percent water?
There is enough fresh water on the planet. The probelm is the unequal ........... of the water
Humans can survive one...... without water, but can survie for more than a ...... without food
week month
Dirty water causes ... of disease in developing countries?
Within what three forms can water exist?
Solid, Liquid, and Gas
What percentage of the earth water is either salty or frozen?
97% of earth's water is salt water
2% is frozen in the polar region
What is the hydrologic cycle?
The circulation of water through the hydrosphere is called the hydrologic cycle