6. Write the molecular formulae of the following compounds by criss-cross method 7. Write the molecular formula of the following compounds.
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the major pests we deal with are insects, weeds and fungal diseases. a pesticide is a product, whether organic or chemical, used to kill the target pest. there are other techniques gardeners should use that can prevent the severe infestations that make the use of pesticides necessary

wher is the rest of the question