Question

How is biosphere important for the sustanaces of human life

Answer 1

all the resources and other factors needed for the continuity of humen life is included in the biospheare
 the biosphere sustains us, both in the food that we eat, and in the air that we breathe. Whether we are vegetarians or meat-eaters, the energy we need and the protein we need to build our bodies comes from things in the biosphere. We also need oxygen to breathe, and the organisms on the sea and on the earth use our waste carbon dioxide, creating the oxygen we need to breathe