Where can you see your fingerprints?

Where can you see your fingerprints? The ridges of a fingerprint are visible on the skin’s surface layer, but the pattern is actually “encoded” below that. Even if you have a major skin injury, your prints will come back when the outer layer heals – though you might have a scar, too. What layer of […]

Why do fog machines set off fire alarms?

Why do fog machines set off fire alarms? At one time, fog machines used oil-based fluids that produced fog that smelled bad and was hard to breathe. Because many venues use smoke detectors that measure the density of particles in the air, fog effects (especially dense fog effects) can “fool” the detectors and trigger a […]

What is the density of promethium?

What is the density of promethium? 7.26 g/cm3 What is special about promethium? Promethium is the only rare earth, radioactive metal on the periodic table, according to Chemicool. It can be produced by bombarding neodymium-146 with neutrons to become neodymium-147, which beta decays over its 11-day half-life into promethium-147, according to the Jefferson Laboratory. What […]

What organ system does diarrhea affect?

What organ system does diarrhea affect? Diarrhea occurs when the contents in your digestive system move so quickly through the digestive system that the intestines don’t have enough time to absorb the fluids, or when the digestive system produces extra fluid. The result is stools that contain excess fluids, making them loose and watery. How […]

Is is a past tense?

Is is a past tense? The past tense of is is was (colloquial, nonstandard). What tense is the verb is? The first verb, “is,” is in the present tense; the second verb, “reacted,” is in the past tense; and the third verb, “will encourage,” is in the future tense. What tense is is located? Locate […]

Which Luas goes to Heuston?

Which Luas goes to Heuston? Operated by Luas, the Dublin Connolly to Heuston tram service departs from Busáras and arrives in Heuston. Typically 1289 trams run weekly, although weekend and holiday schedules can vary so check in advance. Does the Luas go from Heuston to Stephens Green? Stephen’s Green? Yes, there is a direct bus […]

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