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the study of objects beyond the Earth's atmosphere
the study of the air that surronds the earth
the study of the material that makes up the earth & the processes that form & change it
the study of the Earth's oceans that cover over 3/4 of the planet
the study of weather over a long period of time
the study of the remains of organisms that once lived on the Earth & ancient environments
the study of water's flow on & below Earth's surface
the study of habitats of organisms, their interactions, and the environments they live in.
the study of Earth's composition & the processes that change it
the study of the effects of internal processes on Earth's surface, including earthquakes & mountain building
- -outer layer
- -includes crust & mantle
2 kinds of crust & what is their composition
- +crust forms topography of earth
- -continental= granite
- -oceanic= basalt
water in oceans, seas, rivers, glaciers, atmosphere, etc.
how much salt water covers the earth?
how much freshwater covers the earth?
the blanket of gases that surround the Earth
functions of atmosphere
- -required 4 cellular resp.
- -protects us frm radiation
- -maintains temo. 4 all living things
content of atmosphere
- 78% = nitrogen
- 21% = oxygen
- 1% = water vapor etc.
includes all organisms on earth & the environments they live in
the application of scientific discoveries in everyday living
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