This object was observed in 1997.

The object in the picture is a/an
.

To fully describe the photoelectric effect, scientists must consider which of the following to be quantized? o a. both light and matter o b. matter only o c. light only o d. neither light nor matter

Use 4 to 5 complete sentences, explain the concepts of beats and how beats are produces.

Which one of the following represents the reduced forms of the two major electron carriers? nadh and fadh2 nad+ and fadh2 nad+ and fad nadh and fad