A leavening agent is an organism or substance that when added to a dough[?] of flour and water causes it to "rise" by evolving carbon dioxide or other gasses that become trapped as bubbles[?] within the dough.
... reunited in mid-2002 as The Other Ones, and embarked on a fall tour throughout the eastern half of the U.S. On February 14, 2003, reflecting the reality what was, the ...