Which best explains why objects fall downward when dropped? a) the center of earth exerts a gravitational pull. b) earth's orbit exerts a downward force on the atmosphere. c) most objects are heavier than the air in earth's atmosphere. d) the force between earth's magnetic poles pulls objects downward.

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.

What is the overall order of reaction for rate = k[no]2[o2]

What state of matter is ice a. liquid b. element c. solid d. gas