Answer:
establishing a structural framework
Explanation:
After reading the excerpt from "Teens Migrating to Twitter" by Jennifer C. Kerr about how Twitter influences on current generation I can answer the question that follows with ease. There is only one correct answer and I am pretty sure that the last option in the scale <span> represented above </span>is the right one : <span>D. How does Twitter affect the safety and security of teenagers?</span>
D. A way to carry lots of gear
Answer:
The goldfish have different versions of the gene for tail shape, which instruct for different proteins that connect in different ways to make different tail shapes.
Explanation: