(1) What is Plough?
(2) What is decomposition?
(3) Name the first antibiotic discovered.
pls guys say me 1, chapter name and 2 ,3 please find
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A plough or plow (US; both /plaʊ/) is a farm tool for loosening or turning the soil before sowing seed or planting. Ploughs were traditionally drawn by oxen and horses, but in modern farms are drawn by tractors. ... Trenches cut by the plough are called furrows.
Decomposition is the first stage in the recycling of nutrients that have been used by an organism (plant or animal) to build its body. It is the process whereby the dead tissues break down and are converted into simpler organic forms.
Alexander Fleming discovered penicillin, the first natural product antibiotic, in 1928. He observed that Penicillium molds produced a diffusible extract that had antibacterial activity against staphylococic
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