Which of the following products is NOT a main focus of North Korea's economy today? Question 19 options:

military equipment

metal and machinery

chemicals

service industry

service industry

Explanation:

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.