Notifications
Clear all
Biology
1
Posts
2
Users
0
Likes
331
Views
0
01/11/2021 4:55 pm
Topic starter
Biochemical Oxygen Demand (BOP) in a river water
(1) increases when sewage gets mixed with river water.
(2) has no relationship with concentration of oxygen in the water.
(3) remains unchanged when algal bloom occurs.
(4) gives a measure of Salmonella in the water.
1 Answer
0
01/11/2021 7:02 pm
Correct answer: (1) increases when sewage gets mixed with river water.