Fungi during their life cycle have a haploid phase.
Also have a diploid phase.
Human somatic cells are diploid. (Blood, skin, Muscles, even zygote)
Human sex cells are haploid. (Eggs and sperms)
Hope this helps.
Electron cloud modle should be the answer
What do you mean by "What is a shooting star, a comet or a meteor burning in our Earth’s Atmosphere?"
edit: ohhhhh you are asking what a shooting star is...
its particles of comets or astoroids/metor enter the atmosphere at very high speeds and burn up
