This might be as a result of the fact that all the vegetables sampled at the open markets were left at the mercy of the sun which might have undergone photodegradation or volatilization of some of the pesticides on the vegetables
This might be as a result of the fact that all the vegetables sampled at the open markets were left at the mercy of the sun which might have undergone photodegradation or volatilization of some of the pesticides on the vegetables