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Rocks
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∙ 12y ago
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Is a blackboard opaque?
Yes
Why is the blackboard a solid?
Because solids work better than a liquids for the purpose of displaying information vertically. The molecules of the blackboard are rather tightly bound to each other and stay that way under the temperature and pressures that the blackboard usually encounters.
Why does blackboard seem black?
beause it does not reflect any colour.
What kind of meter will measure the blackboard?
Blackboards are usually sized in centimeters.
How can a Black board in a room stays at the same temperature as rest of the room?
A blackboard would be the same temperature as the rest of the room. If the sun shone through the window directly onto the blackboard, the blackboard would absorb more of the sun's heat, and become warmer that the rest of the room.Dark colours absorb heat better than light colours.
How do you tell if a blackboard is made of slate?
you dont
Is sidewalk chalk made out of the same things as blackboard chalk?
YEP!
When was Blackboard Inc. created?
Blackboard Inc. was created in 1997.
What is the population of Blackboard Inc.?
The population of Blackboard Inc. is 1,780.
When was the blackboard created?
Beyond the Blackboard was created on 2011-04-24.
What are the advantages and disadvantages of blackboard learning system?
advantages and disadvantages of blackboard
What is the duration of Beyond the Blackboard?
The duration of Beyond the Blackboard is 1.67 hours.
What is the duration of Murder on the Blackboard?
The duration of Murder on the Blackboard is 1.18 hours.
What width of a blackboard?
There is more than one size of blackboard...
How do you get on to blackboard?
Go to google and type in your state and blackboard and it should come up.
How do you say blackboard in Chinese?
"Blackboard" in Chinese is 黑板 (Hēi băn)
What is the surface area of a blackboard?
The surface area depends on the height and width of the blackboard.
