I'm on a test someone ! what is a normal force?

it acts against an object slowing it down.

it acts parallel to an object.

it acts with an object adding to its speed.

it acts perpendicular to an object.

Which of the following statements concerning the influence of culture on ethnic identity formation is accurate? a. one will reject ethnic identity if cultural stereotypes are encountered. b. if one’s ethnic city is different from the dominant cultural group, then one’s ethnic identity you will become weekend. c. if an the ethnic group is excepted by dominant culture, then ethnic identity formation can be a difficult process. d. similarity to the dominant culture can determine how easy it is for one to except ethnic differences.

Fill in the coefficients that will balance the following reaction: a0cr2(so4)3 + a1agno3

Use examples from the article to explain one positive and one negative effect that chemistry has had on society.