Question

রাসায়নিক পরিবর্তন করলে কি কি দেখে/অনুভব করে তা বোঝা যেতে পারে ?

Answer 1

Answer:

sorry i don't know this language

Explanation:

Calligraphy is a visual art related to writing. It is the design and execution of lettering with a pen, ink brush, or other writing instrument. A contemporary calligraphic practice can be defined as "the art of giving form to signs in an expressive, harmonious, and skillful manner". Wikipedia