21. The lower air humidity in winter seems to be the main cause of seasonal influenza transmission in temperate regions. 22. Inside the hall, the air temperature is 26 �C ( 78�F ) and air humidity is around 64 %. 23. The amount of feed a snail eats depends very much on air humidity and on the availability of drinking water. 24. A further advantage is the higher air humidity of 50 to 70 % compared to overheated rooms of conventional houses in winter. 25. Regarding the measurement of upper-air humidity , this publication also reads ( in Section 12.5 . 1 ): 26. Enclosed paper mill areas subject to such dangers commonly maintain very high air humidities to reduce the chance of airborne paper dust explosions. 27. Fruiting body formation is influenced by external factors such as season ( which affects temperature and air humidity ), nutrients and light. 28. Fruit body formation is influenced by external factors such as season ( which affects temperature and air humidity ), nutrients and light. 29. :The time of year when sleet is experienced, is when the relative air humidity is high ( above 45 % ). 30. The presence of " T . penetrans " in a soil sample was unaffected by soil temperature, air temperature or air humidity .
