The main causes of famine in ethiopia in 1984 and 1986 include all of the following except

civil war

poor soil

a long drought

war with somalia

answer; the correct answer to the above statement is (biosphere); ///

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.