How often did your hypothesis change after performing medical tests? why

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?

Compare the composition of the moon's surface with the composition of the earth's surface.

Explain how paleontologists use trilobite fossils as index fossils for various geologic time periods.