What are the qualifications to become a primary teacher and a secondary? Write them.​

The eligibility requirement for a Primary Teacher in a Government School is Senior Secondary School certificate or Intermediate or its equivalent, and Bachelor of Elementary Education (B. El. Ed.), or Diploma or certificate in basic teachers' training of not less than two years duration.

the first successful, urban blues recording, selling more than 75,000 copies, was made in year 1920.

mamie smith recorded the first commercially successful example of the urban blues,   with the recording of “crazy blues”."crazy blues" was recorded on august 10, 1920, in new york city. within a month of the release of “crazy blues” it had sold 75,000 copies.