Go back to the simulation and increase the number of molecules of heavy species to 700? What change do you observe? contentstore. ple. platoweb. com/content/sharedmedia/phet_batch2 /gas-properties/gas-properties_en. html

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B"hf and f-"  is the correct answer took the test on edgenuity and got it right     

Ithink that the use of creativity in the sciences entails that one produce something out of nothing or from another thing. with this, i think that the he wrote down his results as four parts of the atomic theory is the manifestation of the  creativity of john dalton.

The correct answer is b) false