Knowledge - Kung ang Blackboard ay Pisara. Ano naman ang Chalk. Sagot: Yeso . Ang pabirito mong palaman 😂 | Facebook
Bayan ni Juan - TOTOO BANG ANG AN-AN AY DULOT NG ALIKABOK MULA SA CHALK? Bago pa man nauso ang mga whiteboard at marker pen bilang panturo sa mga paaralan, dati nang
![Drawing Of Philippines On Blackboard, Drawn By Chalk Stock Photo, Picture and Royalty Free Image. Image 12981398. Drawing Of Philippines On Blackboard, Drawn By Chalk Stock Photo, Picture and Royalty Free Image. Image 12981398.](https://previews.123rf.com/images/vepar5/vepar51204/vepar5120400518/12981398-drawing-of-philippines-on-blackboard-drawn-by-chalk.jpg)