[Solved] Which of the following describes a star with a hydrogen-burning shell and an inert helium core? A)It is a red giant that grows in luminosity until it dies in a planetary nebula. B)It is a subgiant that gradually grows dimmer as its hydrogen-burning shell expands and cools. C)It is a subgiant that grows in luminosity until helium fusion begins in the central core. D)It is what is known as a helium-burning star,which has both helium fusion in its core and hydrogen fusion in a shell. Pornography: Visual or written content intended to stimulate erotic feelings rather than aesthetic or emotional feelings. Mass Media: Diverse media technologies that reach a large audience via mass communication, including newspapers, television, radio, and the internet. Business Influence: The impact that companies or industries have on economic policies, consumer behavior, and the market environment. Observations: The action or process of closely observing or monitoring something or someone.