CBSE BOARD X, asked by ERK, 1 year ago

If the concentration of DDT was 0.2ppm in water of a lake what would be its likely concentration in fish in the following food chain ?
Plankton—> fish —>fish eating birds

Randomboy123: Use 10 percent law

Answers

Answered by MrGame00

2

Hey User !

=) Planktons(0.02)----> Fish(0.1)-----> Kingfishers(0.5).

Hope , It Helps ...

ERK: Actually the final answer is 240 ppm

Answered by Anishu1234

1

Answer would be 5.0 ppm

ERK: But how did u calculate it

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