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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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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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The Earth's surface is about 70% covered in water. About 96.5% of the water on earth are oceans. Water exists in the air as vapor, in rivers and lakes, in icecaps and glaciers, in the ground as moisture for the soil, and in living things.

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(Tip - pause screen when list comes up and type below)

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(Tip - pause screen when graphic comes up and type below)

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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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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.

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Earth's core is so hot because the other layers that are around the core are compressed and produce heat when so close together. Gravity is what squeezes everything closer together. Decaying Uranium and friction also causes the Core to be extremely hot.

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Our atmosphere consists of consists of four different types of gases. It includes 78% Nitrogen, 21% Oxygen, 1% Argon, and an assortment of Trace gases

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Man is influencing Earth's environment by adding lots of gases into the atmosphere which traps more heat. The heat content is now increasing, upsetting the balance melting all kinds of things such as glaciers. See levels go up and the Carbon Dioxide in the air absorbs it.