Sau ua ke ntawm cov pa nrawm tshuab
Cov khoom siv tseem ceeb ntawm tus tsuj roj yog tsim los ntawm cov khoom tawg uas tsim hluav taws xob, lub zog hluav taws xob uas tsim hluav taws xob nrawm, thiab lub tshuab nqus tsev uas ua kom nrawm tsub ntxiv rau hauv lub tshuab nqus tsev kom tsis txhob muaj kev sib tsoo nrog roj molecules thiab poob lub zog.
Kev sib xyaw: cov roj hluav taws xob loj, cov khoom siv hluav taws xob ntau, cov khoom siv hluav taws xob, cov khoom siv hluav taws xob, cov roj nrawm, cov kab hluav taws xob, kab hluav taws xob, lub hom phiaj, thiab cov hlua hluav taws xob.