Enter a clue or pattern or both:
The Clue
Science dealing with pollution (7 letter answer)
The Answer
ECOLOGY
Tags
Notes
The answer ECOLOGY is so rare that it appears less than once every 2500 puzzles.
Related Clues
Bionomics
Environmentalist's concern
Definition
ECOLOGY as a noun:
1. the environment as it relates to living organisms; "it changed the ecology of the island"
2. (ecology, bionomics, environmental science) = the branch of biology concerned with the relations between organisms and their environment