This map of the United States is an example of a blank map. It is a type of blank or special purpose map. Different blank are used to indicate the number of people who live in each country

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.