Really need help with this question ASAP!!! please HELP ME!!!!
the peppered moth population in a locality has light and dark moth varieties. What is the likely cause of a relatively lower population of dark moth variety in the locality?
A: Pollution-free environment increasing lichen growth
B: Highly polluted environment increasing lichen growth
C: Pollution-free environment covering the barks with black soot
D: Highly polluted environment covering the barks with black soot