Which disadvantage of nuclear power use poses the greatest threat to the environment? O the emission of greenhouse gases
O the proliferation of nuclear materials
O the storage and management of radioactive wastes
O the high cost of building facilities

the number of protons in the nucleus of a given element. has slight luster and conducts electricity at high temperatures like metal.but like a nonmetal,boron is brittle and does not conduct electricity well at low temperatures. in graphite, carbon is a soft,brittle solid.it is reflective,ductile,or malleable.

we need the questions , i may then you.