Chalk It is formed in the sea by sub-microscopic plankton, which fall to the sea floor and are then consolidated and compressed during diagenesis into chalk rock. Most people first encounter the word "chalk" in school where it refers to blackboard chalk, which was originally made of mineral chalk, since it readily crumbles and leaves particles that stick loosely to rough surfaces, allowing it to make writing that can be readily erased. Blackboard chalk manufacture now may utilize mineral chalk, other mineral sources of calcium carbonate, or the mineral gypsum (calcium sulfate). While gypsum-based blackboard chalk is the lowest cost to
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