What are earth's four physical systems?

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Jun 26, 2016

Answer:

Atmosphere, Biosphere, Hydrosphere, and Lithosphere

Explanation:

Whilst I'm sure I couldn't answer in as much detail as the diagrams and the like previously provided by a fellow answerer, I can simplify it for you!

Atmosphere: The layer of gasses that surround the physical body of Earth.
The most abundant gas in the atmosphere is nitrogen, with oxygen second. Argon, a noble gas, is the third most abundant gas in the atmosphere.

Biosphere: All living things, including you, me, your cat and the tree outside your window!*

Hydrosphere: All water on the planet! Including the oceans, lakes and rivers.

Lithosphere: The hard stuff we walk on. The lithosphere is all the physical mass of dirt, rock, minerals and lava that make up our planet!

Hope this helps!
Year 11 Student, Australia

(* Hypothetical situation. Your ownership of a cat and/or tree may be optional)

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Answer:

Earth's four physical systems are #:#
#1#. Atmosphere (Air)
#2#. Lithosphere (Land)
#3#. Hydrosphere (Water)
#4#. Biosphere (Life)

Explanation:

Earth's each four physical systems are very important. I will describe you each one below:

http://mrsummerford.weebly.com/

#1.# Atmosphere #=># Our Earth is surrounded by gases that part of earth is said to be atmosphere. Atmosphere is extends up to approximately 10,000 km above Earth's surface. The atmosphere of our Earth is made up of three primary gases. These gases are oxygen (21%), nitrogen (78%), and argon (1%). This is very important for us because as you know we are living because of oxygen.

Atmosphere is also divided into some layers #:#
http://www.vtaide.com/png/atmosphere.htm
You can read about them on this Link.

#2.# Lithosphere #=>#The lithosphere or geosphere is the outer, rigid shell of the solid which describes all of the land, minerals and ground that are found on and in Earth. Earth's lithosphere includes the crust and the uppermost mantle.
Basically, if it looks like solid ground, it's part of the lithosphere. This is also very important because
minerals are found in it.*

http://katnissdiv1.weebly.com/the-layers-of-the-earth.html

#3.# Hydrosphere #=># As you know that 'hydro' means 'water'. Hydrosphere includes all of the water on earth, from the oceans to glaciers and underground water. Most water (97%) resides in the oceans.

The hydrosphere plays a very important role in the evolution of life, as well as in weather and erosion. This is also important because we can't live without water.

https://www.tes.com/lessons/fuz1MiS8BjcdUg/hydrosphere

#4.# Biosphere #=># The biosphere is the part of the planet where living things can be found. This includes all of the plants, animals, bacteria, fungi and single-celled organisms found on Earth.

http://www.slideshare.net/littlevagabond/the-biosphere-and-humans

Chemical composition:
http://regentsprep.org/regents/earthsci/units/introduction/lithosphere.cfm

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