英语书上说"There is no plant life without lightning.”意思是没有闪电就没有植物的生命.为什么?

应该是光照吧,植物不都进行光合作用吗,依赖于光把空气土壤中的无机物转化为有机物来供自己生长.The reason relies in that,the plants need light for photosynthesis to gain energy for their growth.In this proc...