All living things weather in the air or in the oceans, or on and beneath the land surface, make up the biospehere. THE BIOSPEHERE extends INTO each of the other spheres.
d=m/v v= (4/3)(pi)(r^3)set up equation for aluminum and lead 11.3*10^3=m/( (4/3)(pi)(ri^3)) 2.7*10^3=m/( (4/3)(pi)(ra^3))solve for m. then set two equations equal to each other, since they have the...