Question 4 of 10 Which of the following describes a spectrum?

A. A measurement of the energy associated with an electron
transition

B. A range of wavelengths or frequencies of electromagnetic
radiation

C. A piece of glass that causes light to be divided into different
colors

D. A list of the quantum numbers assigned to a particular electron
SUBMIT

How much energy is made when a pice of wood burns. how do you know

Select the correct text in the passage. which sentences describe examples of sustainable living? i live in an old apartment building downtown, but my company is based in an office park on the outskirts of the city. i drive an old car that needs to be replaced. i plan to buy a hybrid for better gas mileage, but for now i am able to carpool with a couple of friends from work. the drive to the office park is about 45 minutes each way, but we do get to work in a modern building. the architects just received a leed certification for the design.

Which part of earth’s surface receives the most direct rays from the sun? a) equator b) ocean c) poles d) mountains