What medium is the work of art above? What do you notice about the artwork with regards to color and value?

answer; ///i believe the correct answer is (a) decrease biodiversity;

italian workers migrated to northern provinces

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.