What is the name for a star that has too low of a mass to start hydrogen fusion? А. white dwarf
B. black dwarf
C. red dwarf
D. brown dwarf

If equal masses of the listed metals were collected , which would have a greatest volume ? a. aluminum 2.70,b. zinc7.14,c. copper 8.92,d. lead 11.34

Which of the following compounds does not contain molecules? question 2 options: co2 h2 nacl h2o

What term describes technology that operates on an atomic level