(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
Standard dry air also contains a small amount of carbon dioxide, and very small amounts of neon, helium, krypton, hydrogen and xenon (see table below). Water vapor (humidity). The amount of water vapor in air at ground level can vary quite a bit - from almost zero to about 5 percent.