How has the use of sindhi developed since the formation of pakistan

spoken by about 23 million people in Pakistan, mostly living in the southeastern province of Sindh, where it has official status, and in the adjacent Las Bela district of Balochistan. In India, where Sindhi is one of the languages recognized by the constitution, there are some 2.5 million speakers, including both speakers of the Kachchhi dialect living in Kachchh, on the Pakistan frontier, and communities descended from Sindhi-speaking immigrants who had left Pakistan in 1947–48 and who are mostly settled in Gujarat and Maharashtra states.

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the answer is actually b.   as habitats are destroyed, animals and plants may become extinct.   , according to edge nuity