Answer:
Aluminum
Explanation:
The density of Aluminum is 2.7 g/cm3
We know the volume and mass of the unknown metal, as density is mass/volume: 81g/30cm3 = 2.7 g/cm3 which is the density of Aluminum :)
Long term I think because it takes a while for forest to be filled again
The red blood cels are pushed through both systems and works as a avocet to the send signals that the heart is overworked and cant push enough blood to the need breathing
the mitochondria breaks down chemical fuel into packets of chemical energy that can power the cell
