Using the graphs below, which group of moths is better adapted to survive the hunting cycle?

a.
Light moths on light trees
b.
Dark moths on light trees
c.
Dark moths on dark trees
d.
Light moths on dark trees

Which of the following types of pollution is most responsible for large numbers of deaths worldwide because of unsafe drinking water? (a) nutrient pollution (b) thermal pollution (c) pathogen pollution (d) sediment pollution