deposits of volcanic ash in the shallow seas during the deposition of the chalk
chalk
colored chalk sidewalk chalk dustless chalk
rubber is harder than chalk !
There are a couple of things that make chalk hard. The calcium in chalk is said to make chalk hard.
A collective noun for chalk is a box of chalk.
Nature's chalk is limestone--hard. Blackboard chalk is soft--gypsum.
your an idiot, no a whitle chalk is not longer than aq blue chalk
chalk comes from chalk deposits the white cliffs of dover is one then the grind it into powder then they press it into molds of chalk then they sell it
Adventure of the Seas; Allure of the Seas; Brilliance of the Seas; Enchantment of the Seas; Explorer of the Seas; Freedom of the Seas; Grandeur of the Seas; Independence of the Seas; Jewel of the Seas; Legend of the Seas; Liberty of the Seas; Majesty of the Seas; Mariner of the Seas; Monarch of the Seas; Navigator of the Seas; Oasis of the Seas; Radiance of the Seas; Rhapsody of the Seas; Serenade of the Seas; Splendor of the Seas; Vision of the Seas; Voyager of the Seas; and Symphony of the Seas are the names of Royal Caribbean ships.
near a chalk board
Yes, chalk is brittle.