Political things might be testing nucular weapons and that causes a lot of damage. social might be riots and those are very destructive if they get out of hand
The answer to this question is
burning trees
Answer:
<em><u>They include temperature, color, odor, aggregate stability, available water capacity, bulk density, infiltration rate, slaking, crusts, structure, and macro-pores. Only, the most distinct and reliable physical pollution indicators with the actual wide practice were designated.</u></em>