Question

here is crossword puzzle solve it.​

Answer 1

waste water( in 1st horizontal column)

sewage(vertically 2rd col from 1st)

sewer(vertically last column. niche me)

ozone(vertically 2nd column sabse niche)

chlorine (horizontally 4th column last me)

sludge(horizontally 6th column last me)

excreta(nahi mila)

contaminants (horizontally 8th column start me)

Eucalyptus (horizontally last line)