Dab tsi yog qhov pov tseg cov lus?

Cov khoom siv tsis tau tshwm sim uas yog cov kab mob uas muaj peev xwm hloov pauv ntawm cov kab mob ntawm cov microor, thiab thaum kawg ua cov pa roj carbon dioxide thiab dej.

Muaj pes tsawg hom ntawm cov khoom siv tsis tau cov lus hais tseg tau muaj?

Muaj ob hom ntaub ntawv siv los ua kom tiav cov lus muaj ntuj: xws li cov khoom lag luam, cov quav zaub, thiab lwm yam, uas muaj cov khoom lag luam ib puag ncig; Lwm qhov yog ua los ntawm yas raws li lub ntsiab tivthaiv, ntxiv cov hmoov txhuv nplej siab, duab thiab lwm yam khoom.

Dab tsi yog vim li cas rau cov khoom pov tseg deware los hloov cov yas?

Txais cov ntsuab, cov roj carbon tsawg thiab rov ua dua tshiab cellulose cov qauv xws li Bamulose lub zog, zoo sab hauv lub zog, zoo nkauj, thiab cov roj tsis kam. Cov cuab yeej, kev tiv thaiv thiab Cushioning.

Niaj hnub no, kev txiav txim siab medware ntim khoom tau muab cov khoom noj khoom noj khoom haus zoo nkauj, ua kom tiav cov khoom noj zoo nkauj, cov roj nplaum, thiab lwm yam.