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Actually, The ionic charging of : alkali is +1 alkaline earth metals is +2 aluminum is +3. That is the use periodic table to recall the lonic charge of an alkali metal, an alkaline earth metal, or aluminum
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compound light microscope, optical
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My philosophy in life is to learn something everyday, to take care of my physical and mental health, and to enjoy life serving God.
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1) It's called taxonomy
2) There are 7
3) The basic difference between them is Monera are unicellular and prokaryotic cellular structures, whereas Protista are unicellular and eukaryotic cellular structure. Cell organelles are absent in Monera, but Protista is well-defined and has membrane-bound organelles.
4) Reptiles and Fish belong to kingdom Animalia
The phenomenon is called an equinox. More specifically when it is September it is called the autumnal equinox ,and when it is March it is called the vernal equinox. Hope this helped!
