Describe how one carbon atom could move from a terrestrial ecosystem to an aquatic ecosystem. Include each step the atom has to take,
starting and ending with carbon dioxide gas in the atmosphere.

correct answer is option a.

tropopause, stratopause and mesopause have all in common aspect that is point of maximum temperature in its layer of the atmosphere. all layers of atmosphere observe abrupt change in temperature. tropopause is the boundary between troposphere and stratosphere. stratopause is the boundary between stratosphere and mesosphere. mesopause is the boundary between mesosphere and thermosphere. these all boundaries are ranges between altitude of 0 to 80 km.

the answer is: metamorphic rocks often show the presence of fossils, also a

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