List 3 natural hazards due
to Earth's external
convection.

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.

you should wear a lead protective shield when having teeth x-rays

hope i

-lavira : )

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other information encoded in your genes might distinguish you from the others in the group