Making hydrogen gas for fuel usually involves * -using energy to break down water
-a combustion reaction
-breaking down a hydrocarbon
-a synthesis reaction

nanotechnology is a powerful tool in biomaterials research as it creates numerous possibilities for the engineering of functional molecules. nano-bio refers to projected ability to incorporate biomimicry into various materials at nanoscale.  

your answers are a,b,,e and f

i hope this

the answer is minerals.

2b2t

explanation:

2b2t