(1/4 pound) but its volume is 1/2 cup or 8 Tbsp. So two sticks of butter would equal 8 oz. (1/2 pound) or 1 cup (16 Tbsp.). According to your conversion chart, the correct substitution would be 3/4 cup olive oil.
Humidity Humidity is the term for the amount of water vapor in air There are from GEO 1013 at The University of Texas at San Antonio- San Antonio
It is generally very similar to the specific humidity quantitatively, as the mass of the water vapor tends to be much smaller than that of the dry air (or the total mass of water vapor and dry air). It is typically measured in units of grams of water vapor per kilogram of dry air.