Volcano an extinct volcano from a dormant (inactive) one. Dormant volcanoes are those that have not erupted for thousands of years, but are likely to erupt again in the future. Volcanoes are often considered to be extinct if there are no written records of its activity. Nevertheless, volcanoes may remain dormant for a long period of time. For example, Yellowstone has a repose/recharge period of around 700,000 years, and Toba of around 380,000 years. Vesuvius was described by Roman writers as having been covered with gardens and vineyards before its eruption of 79 CE, which destroyed the towns of Herculaneum and
Active intellect same way that light makes potential colors into actual colors. The passage is often read together with "Metaphysics", Book XII, ch.7-10, where Aristotle also discusses the human mind and distinguishes between the active and passive intellects. In that passage Aristotle appears to equate the active intellect with the "unmoved mover" and God. Sachs comments that the nature of the active intellect was "the source of a massive amount of commentary and of fierce disagreement"; elsewhere, chapter 5 of "De Anima" has been referred to as "the most intensely studied sentences in the history of philosophy". As Davidson remarks: Just what