A genetic disorder is caused by a mutation on DNA.
A. True
B. False

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?

How does friction with the atmosphere affect the speed of an artificial satellite

All organisms contribute some water to the water cycle by conducting