Recycling that reduces toxic wastes and environmental pollution obviously provides immediate benefits to human health. By reducing wastes, recycling also conserves natural resources, protects natural ecosystems, and encourages biological diversity, all of which enhance the long run sustainability of the biosphere.
Answer:
option B is correct
Explanation:
the effect of external physical factor on cell division is clearly seen on in density dependent inhibition( a phenomenon in which crowded cell stop dividing)
It is body composition! Np Welcome :P