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when light falls on objects, it interacts with them in different ways as shown in the images. what type of interaction is seen in each image?

- reflection
- refraction
- absorption
- transmission

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