Without a chalk, a teacher cannot explain or demonstrate thru writing in the blackboard what she/he wants to teach or imparts to the students.
The noun relevance is a non-count (mass) noun; relevance is expressed in degrees, for example some relevance, much relevance, no relevance.
chalk
colored chalk sidewalk chalk dustless chalk
rubber is harder than chalk !
Please explain the relevance of your complaint.
what is the relevance of marketing to insurance pls what is the relevance of marketing to insurance pls
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
relevance of on-line analytical processing Relevance of online analytical processing to a manager?