Answer:
the number that below the perch in the food chain is 5,000 units of DDT
Step-by-step explanation:
The computation of the DDT accumulated in its body is shown below:
= 100 units minnows × 50
= 5,000 units of DDT
hence, the number that below the perch in the food chain is 5,000 units of DDT
Therefore the same would be considered