You observe a liquid turning to gas at 135 degrees celsius. you are observing the boiling point freezing point melting point triple point

The plum pudding model of the atom states that ?

Which of these activities increases the amount of carbon in the atmosphere?

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