Which of the following statements is true?
hiv is a non-communicable disease
cancer is a communicable disease
cardiovascular disease is a non-communicable disease
tuberculosis is a non-communicable disease

Cardiovascular disease is a non-communicable disease

Explanation:

Cancer - cannot be caught as it refers to an overgrowth of cells.

Cardiovascular Disease - can't be caught as it refers to plaques building up on the arterial walls (atherosclerosis).

Tuberculosis - Is communicable as it is spread through the air.

HIV - is a communicable disease as it can be spread to another person.

teens need 8-10 hours of sleep. it kind of depends on what time you get up. but prob around 10 or 11 p.m. or 11 or 11: 30 p.m.