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The geosphere includes a hot and mostly metallic inner core; a mantle of hot, soft, solid rock; and a crust of rock, soil, and sediments.

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The atmosphere is an envelope of gas surrounding the planet.

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The hydrosphere is the ice, water vapor, and liquid water in the atmosphere, ocean, lakes, streams, soils and groundwater.

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The biosphere is defined by the presence of living organisms of any type that can be found in many parts of the geosphere, hydrosphere and atmosphere. Humans are part of the biosphere and our activities have important impacts on all of the Earth's systems.

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1. MAKE A COPY OF THIS DOCUMENT INCLUDING POSTS BY 

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1. MAKE A COPY OF THIS DOCUMENT INCLUDING POSTS BY 

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A. Selecting Remake (above right)
B. Be sure to insert your name under title and click both boxes (copy design, copy posts) so that you get all the headings.

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- Leftover heat
- Gravity's squeeze
- Decaying uranium
- Friction

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78% nitrogen
21% oxygen
1% argon
The rest is an assortment of trace gases and water and vapor

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How much of the earth is covered by water

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How much of the earth is covered by water

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70%

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How is man influencing the earth's environment?

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How is man influencing the earth's environment?

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People are causing greenhouse gases which causes the earth to be more hot and making the earth inhabitable.

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2. Take notes (select the + on the video while watching on partner's computer and...

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2. Take notes (select the + on the video while watching on partner's computer and...

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...then be sure to answer the note prompts I provided already.  (The colored descriptions I added to just be helpful to you.)

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A. Select "SHARE" above and then 'share/export/embed' tab.
B. Copy 'link' and inset the link into the words "Our Earth's Systems Notes" on your 3rd Rock: Mantle Cruising Hyperdoc

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4. If interested in a few bonus points - add in at least one picture to at least one note under each column heading.

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4. If interested in a few bonus points - add in at least one picture to at least one note under each column heading.