Some studies hinted that a majority of nuclei in snow crystals may be decayed vegetation, bacteria, or fungi spores; and so snow may be largely life-triggered.
某些研究暗示，大多数雪晶的核也许是腐朽的植物、细菌或菌类孢子；因此，也许雪大都是由生命触发的。
2
There are two important genera ofbacteria which form spores.
形成芽孢的细菌主要有两属。
3
C. difficile bacteria are found in the stool of an infected person, and others can become infected if they touch items or surfaces contaminated with the bacteria or spores and then touch their mouths.