Which of the following processes is considered the slowest and smallest acting methods of destroying surface features? a. erosion

b. flooding

c. volcanic activity

d. convergence

3.1439 im dont think its right but im pretty sure it is

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.

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