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Studies indicate that the rate at which water pollution is increasing is leveling off: the amount of water pollution caused this year is almost identical to the amount caused last year. ██ ████ █████ ██████████ ███ █████ █████████ ███████ ████ ██ ██████ ██ ███████ ████ ████████
6.
The reasoning is questionable because ██ ███████ ███ ███████████ ████
a
some types of █████ █████████ ████ ██ ██████████ ██████ ██ █████████ ████ ███ ███ █████
b
the types of █████ █████████ ██████ ████ ████ ███ ████ █████████ ████ █████ ██████ ████ ████
c
the leveling-off trend ██ █████ █████████ ████ ███ ████████
d
air and soil █████████ ███ ████████ ████ ███████
e
the effects of █████ █████████ ███ ██████████