A farmer wants to control weeds in a field where crops are already growing. Which type of herbicide would be most appropriate, and why?
1 )
Non-selective herbicide, because it kills all plants including the most persistent weeds.
2 )
Non-selective herbicide, because it only affects weeds and not crops.
Selective herbicide, because it kills only certain plants, targeting weeds while leaving crops unharmed.
4 )
Selective herbicide, because it prevents the growth of all future weeds.
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