What is the purpose of a banked curve in nascar?

a.) it the car to turn at high speeds.
b.) it makes the car "think" it is moving in a straight line.
c.) it changes the angle of the normal force, which the car to stay in the turn.
d.) all answers given are correct.

Is there such a thing as a social structure that constrains individual action, or is society nothing more than a figment of our imaginations?

What would a student most likely use if he or she wanted to consult a secondary source

Eter lives in a beautiful region. peter and other residents of his region use water from the river that flows through their region. recently, mark industries decided to set up their chemical plant near that river. peter realized that the waste from the chemical plant would pollute the river. he decided to seek a legal ordinance that would restrict the use of land near that river for specific use only. which type of zoning will peter and his region?