kindly answer the following fast
Dear Student,
The correct options are-
f- Correct option is ii, as regular check up is required so that their pollution level is checked.
e- Correct option is iii, as all other options can not be dissolved in water.
Regards
The correct options are-
f- Correct option is ii, as regular check up is required so that their pollution level is checked.
e- Correct option is iii, as all other options can not be dissolved in water.
Regards