Noah's mother gives him a dollar every Friday evening if he finishes his chores for the week without being reminded. He diligently finishes his chores every week, and he uses the money to buy candies over the weekend. In the given scenario, the weekly allowance acts as a(n):

Who gave the famous "i have a dream" speech at the march on washington?

Why were so many distinctive cultures able to develop over time in asia?

Nita is the office manager at a service station. two applicants, max and tim, arrive to interview for the open mechanic's position. max's clothes are dirty, his hair is unwashed, and he doesn't make eye contact when he gives nita his name. tim dresses in clean jeans and a nice shirt, is shaved, and shakes nita's hand when he introduces himself. after the interview, keith the head mechanic, asks nita what she thought. both men have the skill set needed for the position. nita recommends tim. she is responding to her perception of