Answer: hydrosphere
Risks associated with gas hydrate mining were uncertain for a long time. But since it is done on the deep oceans, it is the hydrosphere is the earth’s subsystem that will be directly affected.
The hydrosphere is the liquid portion of the Earth which covers about 70% of the Earth’s surface, includes the oceans, seas, lakes, ponds, rivers, and streams and is a home for many plants and animals.
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1. fault block mountains develop in areas where widespread uplift causes fragmentation of the upper crust, also have steep dips
2. major mountain belts formed by volcanism intrusion and horizontal shortening
:D
Answer:
Lithosphere, hydrosphere and atmosphere make up the biosphere.
I would assume its c but i cannot be 100% but im 100% sure its A or C because cool air falls warm air rises