(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
The temperature at which air becomes saturated with water is called the air's dew point. This term makes sense, because water will condense from the air as dew, if the air cools down overnight and reaches 100% humidity. Figure 16.1: This diagram shows the amount of water air can hold at different temperatures.