1. The selection of soybean varieties is irrational and it is not suitable for the local c…
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There are disadvantages when it comes to… 1. The effect of spraying potassium dihydrogen phosphate in the middle and late stages of … Second-hand smoke causes many health hazards, including increasing the risk of cardiovasc… Candy can be divided into hard candy, hard sandwich candy, cream candy, gel candy, polished…