A heat engine Group of answer choices transfers energy from a lower temperature reservoir to a higher temperature reservoir. transfers energy from a higher temperature reservoir to a lower temperature reservoir. transfers power from a lower temperature reservoir to a higher temperature reservoir. transfers power from a higher temperature reservoir to a lower temperature reservoir. burns a chemical fuel.

Asimply means that over time there was some sort of change.

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)

What are the similarities & differences between a thermistor and a light dependent resistor in physics?