julie blows a bubble at first the pressure of the gas in the bubble is 4kpa the bubble floats into the air and expands when it gets to the top of the tree the bubble has a pressure of 2kpa and a volume of 3.5m3 assuming a constant temperature what was the volume of the bubble when it was first blown

this allows people to make the best decision or pursue the best option. when alternatives are weighed using their advantages and disadvantages, the option whose disadvantages outweigh the advantages (based on a qualitative or quantitative analysis) are shunned while those whose advantages outweigh their disadvantages are pursued.  

think its the third option

see earlier