What is the geothermal gradient?

A. The flow of hotter temperatures from the Earth to the oceans
B. The flow of hotter temperatures from the core to the mantle
C. The flow of hotter temperatures from the oceans to the Earth
D. The flow of hotter temperatures from the lithosphere to the mantle



Answer :

Final answer:

Geothermal gradient is the rate of temperature increase with depth inside the Earth, crucial for heat transfer processes.


Explanation:

Geothermal gradient is the rate at which temperature increases with depth inside the Earth, typically around 25-30°C per kilometer in the crust. This change in temperature is essential for understanding heat flow from the Earth's interior to the surface.


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