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Subjects
Science State Board
Class 6
Our environment
Ecosystem and pollution
5.
Composting, landfill, pollution, and pollutants
Exercise condition:
3
m.
Drag the correct answer
:
Answer variants:
acid rain
composting
incinerator
landfill
1
.
Pus is disposed through
-
2
.
Toxic gases produced in industries mix with raindrops to produce
-
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