Study the graph given below. Explain how is oxygen concentration affected in the river when sewage is discharged into it.

Explain the effect on the characteristics of a river when urban sewage is discharged into it.

effects of sewage discharge on a river.

The graph is given below represents the linear equations x=3.

Study the graph given below and answer the questions that follow: Mention their effect on aquatic life in the river.

Study the graph given below and answer the questions that follow: What is the relationship between dissolved oxygen and biochemical oxygen demand (BOD)?

Study the graph given below related to menstrual cycle in Females: Correlate and describe the uterine events that take place according to the ovarian hormone levels X and Y mentioned in the graph during 6-15 dats 16-25 days 26-28 days (when ovum is not fertilised)

Study the graph given below and answer the questions that follow: Write the status of food and space in the curves ( a) and ( b)

Study the graph given below and answer the questions that follow Write the status of food and space in the curves (a) and (b).

Study the graph given below related to menstrual cycle in demales: Identify ovarian hormones X and Y mentioned in the graph and specify their source.

Study the graph given below and answer the questions that follow In the absence of predators, which one of the two curves would depict the prey population?