Answer:
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water molecule is one of few molecule that lack carbon atom
h2o
A ball and socket joint provides the greatest degree of movement among different kinds of joints including rotation, flexion, extension, abduction, and adduction. Hinge joint-This joint is said to be a very simple joint that allows movement only in one axis. It allows only two kinds of movements- flexion and extension.
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Molecule, organelle, cell, tissue, organ, organ system, organism, community, population, ecosystem, biosphere