Which keywords would be most effective to find research on the development of a cure for slowing down or decelerating human aging? aging
old AND research
aging AND development AND people
aging AND research AND cure

Based on its elements, this text teaches readers how to

Read the excerpt from it's our world, too! : young people who are making a difference.the author’s purpose in this excerpt is to

Read the excerpt from "the most dangerous game." again rainsford lifted the heavy knocker, and let it fall. the door opened then, opened as suddenly as if it were on a spring, and rainsford stood blinking in the river of glaring gold light that poured out. the first thing rainsford's eyes discerned was the largest man rainsford had ever seen—a gigantic creature, solidly made and black bearded to the waist. in his hand the man held a long-barreled revolver, and he was pointing it straight at rainsford's heart. the details of this excerpt show that rainsford sees ivan as a(n) individual.