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This is a mixture of gases that surrounds Earth. In addition to containing the oxygen you need to breathe, it protects you from the sun's damaging rays and is always changing.
o Relatively gentle eruptions that produce enormous volumes of lava annual on the seafloor and in places such as Hawaii and Iceland
Process in which one plate moves under another plate, and into the mantle. Takes place at a convergent boundary.
A plate boundary where two plates move past each other in opposite directions
A supercontinent containing all of Earth's land that existed about 225 million years ago.
The atmospheres condition at a given time and place with respect to temperate, moisture, wind, and barometric pressure
tropical 23.5 to 23.5
temperate 23.5 to 66.5
polar 66.5 to poles
side of mountains where deserts are, precipitation doesn't reach
greenhouse gases make th Earth warmer
how do humans effect global climate
continents fit together
ride on magma, changes the Earth's surface
Mount Pinatubo Eruption
o June 1991- volcano exploded, devastating many surrounding villages and permanently closing the US Clark Air Force Base
a production system with machines and workers arranged so that each person performs an assigned task again and again as the item passes before him or her