We wanted to know in which camp to place expeller pressed oil. What you need to know: The three most popular methods of oil extraction from vegetables, nuts and seeds are : * Chemical solvents * Centrifuge * Screw press (expeller) Often, more than one method is used, this in order to squeeze the most oil out.
Best Answer: Good question. On average clouds reflect 60% of incoming solar radiation which includes short wave UV. The thicker the cloud the greater the reflection, from 60 - 90%. For thin clouds the albedo, or relection is 30 - 50%, which explains why we can still receive UV on cloudy days. Source(s): I am a retired Air Force meteorlogist with a Ph.D. in atmospheric science and over 50 years of professional experience.
So visible light travels through glass, but not thick wood. Radio waves are long and pass through buildings because of this. Also, gamma rays are short and therefore very high energy which is another way to pass though materials. Interestingly, very long radio waves drag in the earth and water, slowing down and will hug the Earth...