Question

to protect the food plants from insects and insecticide were sprayed in small amount but it is not detected in high concentration in human being how did it happen​

Answer 1

it is so because we consume many plants as we are Herbivorous and the insecticide is sprayed on many plants where as it is less in amount for one plant but is weather is amount increases and since we eat too many plants accumulation of chemical is high in us.

Answer 2

here. is your answer................................