Why is information oftenly missing from a scientific model?

How does a lytic infection differ from a lysogenic infection?

Lymphatic vessels remove excess fluid from tissues. often after mammexront( the surgical procedure to remove of all or part of a breast) the lymphatic vessels draining the arm are damaged. explain a consequence of this damage. what can be done to reduce the symptoms?

What element does susan b. anthony include in this passage to strengthen her argument?