Q: visible light ranges from about 390 to 790 nm, frequence (from 3.91014 hz to 7.91014) hz. under some conditions there also possible take place total reflection.

A: Visible light ranges from about 390 to 790 nm, frequence (from 3.91014 Hz to 7.91014) Hz. Under some conditions there also possible take place total reflection.
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Q: in hellmich sailing trips sailing trips can be booked in swedish waters. (nl/1273386235) after the 14 m-yacht sabrina was in winter camp equipped for cruising trips, now be sailing in distant districts, like sweden, norway and scotland, offered.

A: In Hellmich sailing trips sailing trips can be booked in Swedish waters. (NL/1273386235) After the 14 m-yacht Sabrina was in winter camp equipped for cruising trips, now be sailing in distant districts, like Sweden, Norway and Scotland, offered.
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Q: a - the number of vertical sections on facade

A:
A - the number of vertical sections on facade
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