Approsímately what percentage of the tap water in Las Vegas comes from Lake Mead, storage reservoir for the Colorado River

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.

the answer to your question is tooth decay.

i dont know it at allnow im just getting points at this pint