How does the hardness of a rock impact their ability to erode?

hardness of rock impact their ability to erode by when rock is harder then it will take more time than soft rock to be eroded . it will resist it's erodness till some more time it will not crack easily

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.