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State two scientific discoveries during nineteenth century which contributed to food preservation

State two scientific discoveries during nineteenth century which contributed to food preservation

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samuel
i) The spinning jenny which produced large quantities of cotton threads - James Hargreaves

ii) The spinning mule which produced high quality threads - Samule Compton

iii) The power boom which facilitated the weaving process - Edmund Cartwright

iv) The cotton gin which quickened the removal of seeds from cotton fibre - Eli Whitney v) The water frame the flying shuttle - John Key

vi) The cylindrical calico printing machine - Thomas Bell
lemass answered the question on April 12, 2019 at 05:20

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