Answer:
<h3>Carbon is released back into the atmosphere when organisms die, volcanoes erupt, fires blaze, fossil fuels are burned, and through a variety of other mechanisms. ... Humans play a major role in the carbon cycle through activities such as the burning of fossil fuels or land development.</h3>
<span>http://www.geosociety.org/science/timescale/timescl.htm
The geologic time scale is organized based by major geological events.
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Answer:chain-link fence
Explanation:a cell membrane is partial permeable which means that it lets some substances through but not other.