How does environmental sciences differ from geography

Geography is a complicated subject and refers to the study of the Earth, regarding its physical makeup, the people who populate it and the structure. When it comes to choosing a career, an environmental science degree puts you on solid ground - and can even take you around the world.

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.