When two substances are mixed together, a color change is observed. Does this mean that a chemical reaction has definitely occurred? Yes because any change indicates a chemical reaction.
No because some physical changes produce color changes.
No because color changes are not indicators of chemical reactions.
Yes because color changes occur only when new compounds are formed.

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.

Identify the electromagnets with poles that are reversed from the electromagnet shown above

The tendency of water molecules to stick together is referred to as a) adhesion b) polarity c) cohesion d) transpiration e) evaporation