Iam really worried tomorrow we have a test in world geography and are teacher taught us almost nothing this whole unit! whats should i do she said the the test should be over cultures and i cannot afford to fail this test! what do you think is the right thing to do to be prepared? ?

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.