because they are black and they are a board.
I am pretty sure it's a teacher.
YEP!
Because it's white and easily adheres to the blackboard. (this is physical)
educational software
not too sure.
There was the DIVIDEND on the blackboard
BlackboardA blackboardBlackboardBlackboardBlackboardchalkchalk
Nigel winced as colin ran his fingers down the blackboard.
Advantages of using a blackboard include its simplicity, cost-effectiveness, and ease of erasing and editing content. However, some disadvantages include limited space for content, potential chalk dust allergies, and the need for good handwriting for clear communication.
Blackboard Inc. was created in 1997.
The population of Blackboard Inc. is 1,780.
Beyond the Blackboard was created on 2011-04-24.
advantages and disadvantages of blackboard
The duration of Beyond the Blackboard is 1.67 hours.
The duration of Murder on the Blackboard is 1.18 hours.
There is more than one size of blackboard...