Which has more molecules? A. 1 mole H2O
B. 1 mole Al(OH)3
C. 1 mole NaCl
D. There are all the same

1) these are barrel shaped microtubules in most animal cells, that organize the spindles during cell division

Which statement is best described as a atom

Describe the difference between a. a hypothesis and a theory and b. an observation and an experiment.