The nucleus during mitosis. Micrographs illustrating the progressive stages of mitosis in a plant cell. During prophase, the chromosomes condense, the nucleolus disappears, and the nuclear envelope breaks down. At metaphase, the condensed chromosomes
I might be wrong By drinking water
Our muscular system works alongside with nerve impulses, the muscles and of course, the brain cells too. Muscle contractions happen when these three works all together. Nerve impulses are triggered by different stimuli and once the body senses, movement becomes possible as the brain sends the muscles the signal to move.
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Hydrogen bonds form between neighboring water molecules because of: polarity of water molecules. Covalent bonds form between hydrogen and oxygen atoms in a water molecule as a result of the: sharing of electrons between atoms.
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Answer:
A) The inner core is mostly solid iron, the outer core is mostly liquid nickel
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