The half-life oof carbon-14 is 5730 years. if sample originally contained 3.36 g of c-14, how much would be present after 22,900 years?

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

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the answer is minerals.