Given that angle Q is congruent to angle angle R and that line PQ is congruent to line PR, show that Line PV is congruent to line PT

i think it’s c i believe that

radiative zone

explanation    

radiative zone is the layer of the sun which energy is transferred away from the core by radiation. although, the core is the only part of the sun that produces an appreciable amount of heat through fusion. in fact, 99% of the energy produced by the sun takes place within 24% of the sun's radius.