Accumulation of harmful chemicals in our body can be avoided. Explain how this can be achieved.

(N/A) Accumulation of harmful chemicals in our body can be avoided by taking the following steps:
$(1)$ Wash vegetables and fruits thoroughly with clean water to remove surface pesticides and chemicals.
$(2)$ Soak vegetables and fruits in salt water for a few minutes before cooking to help leach out residual chemicals.
$(3)$ Boil vegetables where possible,as heat can help break down or remove certain pesticide residues.
$(4)$ Promote and use organic farming products,as they are grown without the use of synthetic chemical fertilizers and pesticides.