Question

give me answer please​

Answer 1

200 joules. because 10% of energy only transfer for next tropic level.

Answer 2

Hey mate!

Here is your answer!

According to 10% law:

10% of 20,000J is available to sheep i.e 2,000J.

So 10% of 2,000 is now available to man i.e

200J

Hope this helps ✌