Which can happen during a physical change? (2 points) select one: a. molecules can move more rapidly and freely and change states. b. the molecules in a substance break into smaller molecules. c. the molecules in a substance react with other molecules. d. the molecules in a substance are destroyed.

State one advantage and one disadvantage of using a plane mirrior as a driving mirrior

Imagine you work as a consultant, and your daily job involves listening to the constructive criticism of others. as part of your job, you must listen to opposing viewpoints to make important decisions. in this activity, you are a consulting dam engineer. you must make a decision about four different dams; should they be repaired, taken down, or left alone? you will listen to contrasting opinions about what should be done with the dams before you make the final decision. as the consulting dam engineer, what do you decide to do with this dam? explain your reasoning. by making your decision, did you support the opinions of the mayor and/or the dam safety official? why or why not? (site 1)

Work = force × a. work b. energy c. distance d. momentum