unpolluted [Adjective] + area [Noun]

Strength Strength Dispersion
A:
5
CHISQ:
82.11
AWT:
14,109,201
TTEST:
2.11
G2:
25.81
FAWT:
3.85
MI:
4.19
LOGLOG:
9.73
JD:
0.48
MI3:
8.84
DICE:
0.02
RANGE: