Which of the following is one of the largest carbon reservoirs on earth? A. Limestone
B. Amazon rain forest
C. Fossil fuels
D. Atlantic Ocean

From the options The Largest carbon reservoirs on earth is : ( A ) Limestone

The Largest carbon reservoirs on earth includes the Earth crust ,Oceans and fossil fuels. Limestone makes up about 15% of the earth's crust ( sedimentary ) therefore it is the largest carbon reservoir out of all the options given above.

Limestones are used as raw materials for the production of cement and other building/construction materials.

The Earth crust contains about 50,000,000 g/tons of Carbon in total while the oceans contain about 40,000 g/tons of carbon which is followed by Fossil fuels at 10,000 g/tons

Hence we can conclude that the Largest carbon reservoir is Limestone

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a adaptation is when organism changes itself to fit the environment

ex. when its cold outside i wear a jacket

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