Who and what did the Galen and Leonardo da Vinci do in relation to athletic training

Anurse is providing a client with teaching about antacids.which three statements about antacids are true

Some plants have reproductive structures that them reproduce using natural forces or animals. how does the reproductive structure shown here ensure the reproductive success of plants?

Christopher came down with chicken pox after spending time in his child’s day care. the chicken pox represents what link in the chain of transmission in this scenario?