Ritalin, a drug commonly prescribed for attention-deficit/hyperactivity disorder (ADHD), increases available levels of and in the brain.

What role did radio free europe play in western countries' cold warstrategy?

In the spring of 1989, thousands of protesters gathered in tiananmen square in beijing, china. they rallied around a plaster statue that resembled the statue of liberty which they called “the goddess of democracy.” these protestors were seeking a) united states assistance in gaining better health care. b) economic reforms which would allow more chinese exports. c) the boycott of the future olympic games scheduled for beijing. d) political reforms to allow more freedom of speech and political representation.

Why is it necessary to obey social norms? write briefly.