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.
... intended and unintended hilarious (www.freedom-to-tinker.com/archives/cat_fritxs_hit_list.html/).
New DRM initiatives have been proposed in recent years which ...