Please answer this: Question: "Aside from wind conditions or range expansion, what else might cause a bird to fly a longer distance than necessary when migrating?" Context: "Theoretical analyses show that detours that increase flight distance by up to 20% will often be adaptive on aerodynamic grounds - a bird that loads itself with food to cross a long barrier flies less efficiently. However some species show circuitous migratory routes that reflect historical range expansions and are far from optimal in ecological terms. An example is the migration of continental populations of Swainson's thrush Catharus ustulatus, which fly far east across North America before turning south via Florida to reach northern South America; this route is believed to be the consequence of a range expansion that occurred about 10,000 years ago. Detours may also be caused by differential wind conditions, predation risk, or other factors." Answer:
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Answer: predation risk

Please answer this: Question: "What leads to shortening of the life expectancy of capacitors?" Context: "For maximum life, capacitors usually need to be able to handle the maximum amount of reversal that a system will experience. An AC circuit will experience 100% voltage reversal, while under-damped DC circuits will experience less than 100%. Reversal creates excess electric fields in the dielectric, causes excess heating of both the dielectric and the conductors, and can dramatically shorten the life expectancy of the capacitor. Reversal ratings will often affect the design considerations for the capacitor, from the choice of dielectric materials and voltage ratings to the types of internal connections used." Answer:
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Answer: Reversal

Please answer this: Question: "yoga is?" Context: "In Indian philosophy, Yoga is among other things, the name of one of the six astika philosophical schools. The Yoga philosophical system is closely allied with the dualism premises of Samkhya school. The Yoga school accepts the Samkhya psychology and metaphysics, but is considered theistic because it accepts the concept of "personal god", unlike Samkhya. The epistemology of the Yoga school, like the Samkhya school, relies on three of six pramanas as the means of gaining reliable knowledge: pratyaksa (perception), anumana (inference) and sabda (aptavacana, word/testimony of reliable sources)." Answer:
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Answer:
Indian philosophy