What is ecosystem???

Yar koi hai kya... xd

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Step-by-step explanation:

A biological community of interacting organisms and their physical environment is called ecosystem .

hope it is helpful to you

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A ecosystem is a community of living organisms and nonliving organisms together in an environment , interacting as a system.

Hope this helps!

isaiah walks 3 miles due north, turns and then 5 miles due east. how far is he from his starting point?

a^2 + b^2 = c^2

let c = distance from starting point.

(3)^2 + (5)^2 = c^2

9 + 25 = c^2

34 = c^2

sqrt{34} = sqrt{c^2}

sqrt{34} = c