The nucleus of a cell was discovered by Ernest Rutherford (answer c) in 1911 in the UK, and he based his discovery on an experiment conducted two years before by Geigen and Marsden
<span>Kepler’s harmonic law is the
third law of the Planetary Motion. He discovered this after ten years that
there is a relation between the time of a planet’s orbit and its distance from
the sun. The harmonic law states that <u>the squares of the orbital periods of
the planets around the Sun are proportional to the cubes of the planet’s orbital
period</u>. <u> </u> </span>
<span>c. large, tender liver; itching; jaundice
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