로그인
JAMB - Biology (1981 - No. 26)
Nitrification means
conversion of nitrates to nitrogen
fixing nitrogen into plants
conversion of nitrates to nitrites
changing of ammonia to nitrities, then nitrates
nitrogen cycle
댓글 (0)
댓글을 달려면 로그인하세요
광고
자바스크립트가 이 페이지를 올바르게 로드하도록 허용
