Chalk produce, and thus widely used in the developing world, calcium-based chalk can be made where the crumbling particles are larger and thus produce less dust, and is marketed as "dustless chalk". Colored chalks, pastel chalks, and sidewalk chalk (shaped into larger sticks and often colored), used to draw on sidewalks, streets, and driveways, are primarily made of gypsum. Chalk is a source of quicklime by thermal decomposition, or slaked lime following quenching of quicklime with water. In southeast England, deneholes are a notable example of ancient chalk pits. Such bell pits may also mark the sites of ancient flint mines,
What Separates Me from You Way", "Sticks & Bricks", and "It's Complicated". "What Separates Me from You" received generally favorable reviews. James Christopher Monger of Allmusic said, "[It] is whiney, petulant, immature, hopeless, and thoroughly addicting, as the ten songs contained within the gatefold packaging [...] are as immaculately crafted and engaging as they are blindingly self-absorbed." Brendan Manley from Alternative Press wrote, "The vitriolic delivery seems sincere, but even if you don’t buy into all of the personal/emotional factors underpinning "Separates" (smack-talking the smack-talkers/a recent, devastating breakup/assorted perils of touring), the album simply "kills"." However, Christine Caruana of Loud Online said, "[It] is very