Which statement describes a digital signal used to store information? A. It includes sound waves you make.
B. It moves gradually among an infinite number of values.
C. It includes visible light waves.
D. It is easy to copy.

In the analysis of hair and fiber samples, which does a compound comparison microscope allow for that a conventional compound microscope does not? a. simultaneous observation b. polarization c. fluorescence d. higher magnification

Compare the equilibrium constants for the systems shown in the table. which favors products the most? which favors products the least? rank these systems in order from most to least in terms of favoring products rather than reactants. d > b > a > c c > a > b > d b > c > d > a a > d > c > b

The formation of a solid, also known as a is an indication of a chemical change. precipitate particulate particle powder