Medal and fan! match the item in column 1 with the description in column 2. potential matches: 1 : surrounded by farmland 2 : area that a river drains 3 : surrounded by rain forest 4 : stream that adds to and combines with a river answer : amazon river : mississippi river : tributary : basin

answer; i believe the correct answer is revolution)

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.