In which region is the substance in both the solid phase and the liquid phase?
1 2 3 4

its 2 on ed I promise do not listen to the brainiest

Explanation:

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.