Only thing I remember from science class, We cant create things everything transform. So Earth got only “limited” amount of atoms? With the growth of the human population wont we run out of resources/atoms/molecules to make more babies or at the expense of something elese on the planet ?
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Yes and no. The building blocks of humans are things like oxygen, carbon, nitrogen, water. There aren’t any elements in our biology that are rare compared to the total amount on earth.
However think of a field of crops or a hillside grazed by sheep raised for meat. Those are taking resources – space, water, soil and plant nutrients – that would otherwise be used by different plants, animals and fungi.
For example without human agriculture, most of the UK would likely be covered in forest. So our consumption comes at the expense of trees and woodland organisms. Or think of the sea, where fishing is literally reducing the number of fish in the sea.
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