Reactivity of a depends on how easily an electron (e-) can be obtained (gained). This is Electronegativity (EN).

A).Nonmetal

B).Metal

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explanation:

dasdad

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