Tick the correct option.
true
false
Alum is used in purification of water
Washing and cleaning should be allowed near a well
Polluted water causes disease
Cholera is a airborne disease
Trees near water sources minimize pollution
pollution reduces oxygen content in water
Alum is used in purification of water
Washing and cleaning should be allowed near a well
Polluted water causes disease
Cholera is a airborne disease
Trees near water sources minimize pollution
pollution reduces oxygen content in water
Answers
Answered by
0
Answer:
1 true
2 false
3 true
Explanation:
Similar questions