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other planets have an atmosphere but earth's is more unique because it has large amounts of what?
Carbon Dioxide
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Original conversation
User: other planets have an atmosphere but earth's is more unique because it has large amounts of what?

Weegy: Carbon Dioxide
vpatalon|Points 20|

User: the earth is the only planet that has a what and a what?

User: the earth is the only planet with only how many spheres?





Weegy: Earth is the only planet with a biosphere, (life sphere) which is made up of all living matter. The biosphere exists because of the Earth's temperature, and because of the atmosphere. Oxygen is present in the atmosphere because of the biosphere.
Expert answered|migzptz|Points 2714|

User: the earth is mostly made up of what?

Weegy: The Earth is made out of many things. Deep inside Earth, near its center, lies Earth's core which is mostly made up of nickel and iron. [ Above the core is Earth's mantle, which is made up of rock containing silicon, iron, magnesium, aluminum, oxygen and other minerals. The rocky surface layer of Earth, called the crust, is made up of mostly oxygen, silicon, aluminum, iron, calcium, sodium, potassium and magnesium. Earth's surface is mainly covered with liquid water and its atmosphere is is mainly nitrogen and oxygen, with smaller amounts of carbon dioxide, water vapor and other gases. ]
Expert answered|migzptz|Points 2714|

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Asked 10/20/2011 12:56:54 PM
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