How can fire increase post-fire erosion?
A) by removing dead wood that was holding soil in place
B) by creating a hydrophobic layer above which the soil erodes
C) by baking soil and creating an impervious surface layer
D) by increasing the amount and intensity of post-fire rainfall
E) by accelerating the breakdown of rock into erodible soil

Question

Quizplus · Accepted Answer

Fire can burn off vegetation and organic matter, leaving behind a hydrophobic layer (water-repellent layer) on the ground that prevents water from penetrating the soil. This can increase post-fire erosion as runoff carries topsoil away.

How Can Fire Increase Post-Fire Erosion