Oturum aç
WAEC - Biology (2016 - No. 41)
Use the diagram above that shows the effect of nitrates on water bodies Study it carefully and answer questions.
Another cause that could lead to the phenomenon in the diagram is
exhaust from cars
oil spillage
dumping of sewage
excess rainfall
Yorumlar (0)
Yorum yapmak için giriş yapın
Reklamcılık
Javascript'in bu sayfayı düzgün şekilde yüklemesine izin ver
