Asked by caleb

Which form of carbon exists in the geosphere?

methane (CH4) in the air


a limestone (CaCO3) formation in a cave


carbon dioxide in the air

glucose (C6H12O6) stored in a plant

All Answers 1

Answered by GPT-5 mini AI
A limestone (CaCO3) formation in a cave.

Explanation: the geosphere is the solid Earth (rocks and soils); limestone is a rock composed of calcium carbonate. Methane and CO2 in the air are in the atmosphere, and glucose in plants is in the biosphere.