In which sentence from "Black Hole Beginnings" is the effect underlined? As more stuff gathers, its combined gravitation grows stronger. Once again, the star stuff plunges inward under its own weight. As the nuclei meld, a smidgen of their matter vaporizes into energy. Once the nuclear reactions stop, the star's center begins to cool.

What are the effects of parallel structure in this excerpt? check all that apply. it adds emphasis to the verbs that describe the british government’s oppression. it uses repetition to add power to the colonists’ growing list of grievances. it stresses jefferson’s list of grievances, giving the reader a sense of the amount of time the colonists have been oppressed. it emphasizes that all of these acts were carried out by the same person.