Animals Use Nitrogen In The Form Of-----?

Nitrates

Nitrogen

None Of Above

Nitrites

Animals Use Nitrogen In The Form Of-----?

10th-class-mcqs-all-subjects9th-class-mcqs-all-subjects11th-class-mcqs-past-papers12th-class-macqs-past-paperscss-islamiat-past-papers-mcqsnts-online-test-preparation