If an electron is in an excited state, it must lose energy when it falls to a lower state. What happens to the energy that is lost? A. It is released as a neutron.
B. It is released as a photon of light.
C. It is stored in the nucleus of the atom.
D. It is released as a stream of electrons.

We all use gps today, even if we don't drive yet. i bet you have been in the car with a parent and they have asked you to get out your phone to find a specific location. in your car, on the phone, you are using a very sophisticated technology. gps satellites circle the earth twice a day in a very precise orbit and transmit signal information to earth. gps receivers take this information and use trilateration to calculate the user's exact location. essentially, the gps receiver compares the time a signal was transmitted by a satellite with the time it was received. the time difference tells the gps receiver how far away the satellite is. now, with distance measurements from a few more satellites, the receiver can determine the user's position and display it on the unit's electronic map. what type of signal is utilized by the gps satellite?

Around faucet handle is part of a(n) a. lever b. screw c. inclined plane d. wheel and axle

One form of energy can be another type of energy. a. created to form b. transformed into c. destroyed and then created to form