BOD বলতে কী বুঝায়?
ক) Baccteria of Damage
খ) Before oxidation damage
গ) Basic oxygen demand
ঘ) Biochemical oxygen demand
Related Questions
ক) চূড়ান্ত সিদ্ধান্ত
খ) ভিন্নমত
গ) আনুষ্ঠানিক ঐকমত্য
ঘ) সভার কার্যবিবরণী
ক) because of his talent
খ) because his talent
গ) because of he is talented
ঘ) because talented
ক) arent' they
খ) isn't it
গ) should they
ঘ) shouldn't they
ক) What book did he buy?
খ) What is that cinema showing now?
গ) What date it is?
ঘ) What does she mean?
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