Temperatures are low at the top of a thunderstorm cloud. Based on this evidence, which of the following commonly forms at the top of a thunderstorm cloud? A acid rain b air molecules c ice d oxygen

what's the question?

i think that it is plants

allowed for the prediction of the properties of missing elements.

both male and female gametes are produced by meiosis of the germ cells. therefore, both male and female gametes are haploid. one male and one female gamete unite during the fertilization to form the diploid zygote. in seed bearing plants, pollen grain is the male gametophyte, which produces sperm cells.