Place the descriptions in the correct category.
Hawaii
Quiet
Explosive
gases trapped in pipe
high silica, high viscosity
low silica, low viscosity
gases gently bubble out
Mount St. Helens

Which of the following ideas did greek philosopher democritus contribute to the atomic theory? a. each object is made up of one atom, which varies in size from very small to very large. b. matter is composed of only one kind of particle, which can be easily destroyed. c. every element has a specific type of atom, which remains the same size in all forms of matter. d. all matter is composed of small particles, which combine to make larger objects.