Asample of water is being heated over a flame. what happens to the water as it is heated?

select one:
a. the volume of the water decreases.
b. the water undergoes an endothermic reaction.
c. the kinetic energy of the water molecules increases.
d. the velocity of the water molecules begins to decrease.

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.