Explain the reason for having an equator and a prime meridian. how do these two lines us to navigate our world? describe your opinion in at least two to three sentences.

Geothermic gradient is the rate of increasing temperature with respect to increasing the depth in the earths interior. away from tech tonic plates boundaries, it is about 25-40 c/km (72-87 degrees f/mi) of depth near the surface in most of the world.

I'm pretty sure it's c. extremely gradual but not 100% sure though.

Answer (d) may increase or decrease porosity through dissolution or deposition;

Answerrecharge zone;