What name is given to the net movement of particles from an area of high concentration to an area of lower concentration?

Can someone me translate this latin? marcus delphos, qui est in graecia, iter est facturus. est iter difficile, sed in delphis sunt multa nova videre. verba apollinis audire cupit. delphi est locus qui apollini sacer est. pupulia fidei ex omnibus partibus terrae delphos, domus dei. veniunt et auxilium petunt. sacerdos marco responsa verbis donabit. etiam, in delphis, templa, thesauros, et fontem sacrum apollini muisique visurus est. tum, omnibus visis, marcus discedet et si responsum erit verum videre exspectabit.

If a reader is varying her tone and pitch while reading, she is reading with:

Which of the following is an assertive statement? whatever you want to do is fine by me. i see your point, but i still think the other solution is more effective. well, that may not be the best idea, but we could try it. that will never work. just think about it.