Show the air expands when it is heat .

Explain what it means to view something from a frame of reference. provide an example that illustrates your explanation. (4 points)

An electric power distributor charges residential customers $0.10 per kilowatt-hour (kwh). the company advertises that "green power" is available in 150 kwh blocks for an additional $4 per month. (green power is generated from solar, wind power, and methane sources.) if a certain customer uses an average of 391 kwh per month and commits to one monthly 150 kwh block of green power, what is her annual power bill

Substances that assume the shape of their container, but do not have a definite size are called