You can use the formula Tc = (5/9)*(Tf-32) where Tc = temperature in degrees Celsius, Tf = temperature in d â¦ egrees Fahrenheit.-109 F is -78.3 C. 2 people found this useful.ou can use the formula Tc = (5/9)*(Tf-32) where Tc = temperature in degrees Celsius, Tf = temperature in d â¦ egrees Fahrenheit.
Different types of orchids can be found growing everywhere from deep shade to full sun. The most commonly available orchids we grow at home need bright indirect light at a minimum, and in some case direct sunlight. We photographed this Brassvola orchid is growing in dappled sunlight along a riverbank in Belize.
Some varieties of orchids, such as the Phalaenopsis, only need 10-15% sunlight in a normal day, which isnât a great deal: even on a mostly cloudy day, you will have 10-15% of sunlight, so places that donât get abundant sunshine should still be suitable to grow these types of orchids as long as you have the correct temperature and relative humidity ( ...