give extra question answers for the OTBA of science for the following themes:- (class 9)
Attachments:
Answers
Answered by
2
1)what are the benefits of waste management?(ans at pg:6)
2)explain the importance of 5R's?
3) what is radon?how we can free from radon?(ans at pg 18;point 1)
4)Also read the all case study it is very important?
2)explain the importance of 5R's?
3) what is radon?how we can free from radon?(ans at pg 18;point 1)
4)Also read the all case study it is very important?
Similar questions