How did tobacco help Jamestown thrive? It gave the settlers a new source of food. It helped provide income for the Virginia Company. It discouraged more English from coming to America.

Astructural difference between the trachea and esophagus that prevents the trachea from collapsing is the presence of: a) smooth muscle b) skeletal muscle c) respiratory cilia d) rings of cartilage

Match the government contribution to mental health to the issue it was created to address. 1. community mental health act of 1963 first federal funding for mental health care 2. commission on mental health, est. 1977 created to determine the mental health needs of the united states 3. the decade of the brain federal funding invested to research mental illness and functions of the brain

Why do you need two different circuits of blood vessels in your body?