Where does the majority of the population live in brazil

a. the coastal lowlands
b. the rain forest
c. the amazon basin
d. northeastern brazil

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.

separation of church and state? not sure what you mean.