Shock is a condition in which the circulatory system delivers enough oxygen-rich blood to the body's tissues and vital organs.

the national environmental policy act (nepa) is a united states environmental law that promotes the enhancement of the environment and established the president's council on environmental quality (ceq). the law was enacted on january 1, 1970. to date, more than 100 nations around the world have enacted national environmental policies modeled after nepa.

one centimetre is equal to 0.01 metres