8. Name at least three properties of stars revealed by spectral characteristics:)

Which rate indicates the number of children that would be born per woman if she were to live to the end of her child bearing years

How can parts of a solution be separated by chromatography?

Match the term to its description match term definition chemical energy a) internal energy caused by vibrations of atoms and molecules electrical energy b) electromagnetic energy that travels in waves radiant energy c) the movement of an electrical charge thermal energy d) potential energy stored in the bonds between atoms