The origin of these rhyolite complexes is still not well-understood. Many folks think that Yellowstone, for example, is associated with a hotspot. However, a hotspot origin for most other rhyolite calderas doesn't work; they occur in subduction-related arcs. Examples of rhyolite caldera complexes include Yellowstone, La Primavera, Rabaul, Taupo, Toba, and others.
Average respiratory range by age is given below: 1  Newborns â Average 44 breaths per minute. 2  Infants â 20-40 breaths per minute. 3  Pre school children â 20-30 breaths per minute.  Older children â 16-25 breaths per 1  minute. Adults â 12-20 breaths per minute.  Adults during strenuous exercise â 35-45 breaths per minute.
Normal vital sign ranges for the average healthy adult while resting are: 1  Blood pressure: 90/60 mm/Hg to 120/80 mm/Hg. 2  Breathing: 12 to 18 breaths per minute. 3  Pulse: 60 to 100 beats per minute.  Temperature: 97.8Â°F to 99.1Â°F (36.5Â°C to 37.3Â°C)/average 98.6Â°F (37Â°C)