What was meant by the idea of spontaneous generation?

Explanation:

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Spontaneous generation is an obsolete body of thought on the ordinary formation of living organisms without descent from similar organisms

theory of spontaneous generation states that life arose from nonliving matter. ... Experimentation by Francesco Redi in the seventeenth century presented the first significant evidence refuting spontaneous generation by showing that flies must have access to meat for maggots to develop on the meat.

the atomic number of magnesium is 12. its nucleus must contain 12 protons and no electrons. the atomic number of an atom is determined by the number of protons.

magnesium is an electrolyte injection commonly used to treat low magnesium levels in your blood. it is also used to prevent or control seizures in women with preeclampsia or eclampsia.

some inherited genetic mutations can be good for the offspring, so the answer is different genetic mutations cause many forms of cancer.