Perpendicular to the direction of travel for S waves and along the direction of travel for P Waves
Answer:
elderly, specifically 50-74.
Explanation:
According to macmillan.org, the risk for cancer increases with age.
https://www.macmillan.org.uk/information-and-support/...cancer/what-is-cancer.html
If we are to go off of percentages, I would say a higher percent of children (per capita) get chemo, as it is a lot harder to say, "oh well i will die soon anyways" with a child.
A. <span>Exposure to an antigen
Exposure to viruses and antigens led to the foundation of modern vaccination. Vaccination introduces an antigenic material that helps the ability of the immune system to adapt a specific pathogen, therefore leading to a long-term immunity.</span>
Yes ..................................
