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Define alloy
A combination of metals
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Define forest
Vegetation in an area that averages at least 30 in of annual rainfall or a large area covered with trees
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Define fossil fuels
Coal, petroleum, and natural gas
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Define permafrost
Permanently frozen ground found in the Arctic tundra
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Define temperate grasslands
Distinct summer and winter seasons
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Define tropical grasslands
Savannas
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Define tundra
Vegetation that thrives in areas with frigid temperatures and short growing seasons
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Define xerophytic
Vegetation that survives in areas with 10in or less annual rainfall; desert region
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Biotic resources are?
Living and renewable
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What three things are factors that affect the type of vegetation in an area?
Climate soil fertility and topography
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What resources are non-living and nonrenewable resources that may be metals or nonmetals?
Mineral resources
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What are fossil fuels resources, that scientists are working to develop?
Nonrenewable resources
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The scale of distance relates the distance is used on the map to?
Actual distances
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What is the distance of latitude of the Equator and how is it measured?
North or south, and degrees
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What lies in all four hemispheres?
Africa
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All of what continent lies in the northern hemisphere?
North America
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What is the combination of metals?
Alloy
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What is permanently frozen ground found in the Arctic tundra?
Permafrost
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The types of wildlife in an area are largely determined by?
Climate and vegetation
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What are narrow Coastal Islands made of sand, silt, and gravel?
Barrier Islands
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What is made from skeletons of tiny sea creatures called polyps?
Coral Islands
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Why does frequent rainfall affect fertility?
Because it washes acids from rocks in the soil, washes acids from decaying plants into the soil, and causes minerals to be leached down through the soil
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What oceans surface is frozen all year?
The Arctic Ocean
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The Strait of Gibraltar connects the Mediterranean Sea to what sea?
The Atlantic Sea
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What river is Earth's longest river?
The Nile River
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The two branches of the Nile join in where?
Sudan
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Almost one-fifth of All Earth's river water is what river?
Amazon River
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What's the largest rainforest on Earth that's surrounded by the Amazon River?
The tropical rainforest
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Define derive
To obtain from a source
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Define alter
To make different; the appearance of
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Name the continents in order of size.
Asia, Africa, North America, South America, Antarctica, Europe, Australia.
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Name the continents in order of population.
Asia, Africa, Europe, North America, South America, Australia, Antarctica.
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Hatteras island is what kind of Island?
A Barrier Island
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What would you more likely see when a plane and on a plateau?
A cornfield, a flock of sheep, a large city, and a river in a deep valley.
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