Answer:
Animal research played an essential role in the development of Herceptin and Tamoxifen, two medications that have already saved the lives of thousands of women who have been diagnosed with breast cancer.
The answer should be:
B.
But the raven, sitting lonely on the placid bust, spoke only
(from "The Raven" by Edgar Allen Poe)
1. Have been waiting
2. Had worked — has worked
3. Have seen
4. Has (climbed - sailed - been)
Hope that helps <33
Family history starts with explaining how Jarrett’s grandparents met, and eventually married. They had five children, Garretts mother Leslie and second born. He explains how his parents met, and that his father immediately denied Leslie‘s pregnancy and how mean Shirley was to Leslie when she found out.
Peer pressure :<em> influence from members of one's peer group.</em>
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Bullying : <em>seek to harm, intimidate, or coerce (someone perceived as vulnerable).</em>
