What element is represented in this model if the atomic number is 3? A.
lithium
B.
carbon
C.
nitrogen
D.
neon

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

Which of the following would have less momentum than a 52 kg cheetah running at 10 m/s?

Which characteristics can be used to differentiate star systems? check all that apply.