Presence of ____________ in water stream are deleterious to aquatic life?
(A) Soluble and toxic organics
(B) Suspended solids
(C) Heavy metals and cyanides
(D) All
Share this... |
![]() Facebook
|
![]() Twitter
|
![]() Linkedin
|
![]() Whatsapp
|
Your email address will not be published. Required fields are marked *