Which of the following statements is true? a) chemical reactions, by definition, cannot absorb or release energy. b) some chemical reactions absorb energy, but no chemical reaction can release energy. c) some chemical reactions release energy, and other chemical reactions absorb energy. d) some chemical reactions release energy, but no chemical reaction can absorb energy.

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.

The atoms of a solid aluminum can are close together, vibrating in a rigid structure. if the can is warmed up on a hot plate, what happens to the atoms?

Which is true according to the law of conservation of energy