English, asked by sheikhsmyra, 4 months ago

how are the earth's principal biological systems being detected?

Answers

Answered by minzz1989
3

Answer:

There are four principal biological systems of the Earth - (1) fisheries (2) forests (3) grasslands (4) croplands, as pointed by Mr Lester R Brown. Unfortunately, the human claims on these systems as reaching points, where their productivity is getting impaired. ... The forests precede mankind and deserts follow.

Explanation:

Hope it helps

Answered by suribabu2334
1

Explanation:

The earths principal and biological system are being depleted by excessive use over fishing is quite common

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