English, asked by dimplegupta010pbral9, 2 months ago

write short on black board

Answers

Answered by sagarmanju987

0

Answer:

A blackboard, also called a chalkboard, is a surface on which chalk is visible. ... It is painted black to reflect the white chalks. The high-grade blackboards are made of porcelain enamelled steel. Blackboards are often used to help in teaching in school.

Answered by Anonymous

1

A blackboard, also called a chalkboard, is a surface on which chalk is visible. ... It is painted black to reflect the white chalks. The high-grade blackboards are made of porcelain enamelled steel. Blackboards are often used to help in teaching in school.

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