a) The traditional practices can help in controlling contamination without the use of chemical fertilizers, as follows:
i. Neem trees and its by products are a natural pest-controller, which has been used...
Cockroaches are considered pests due to following reasons:
1. Cockroaches damage household materials like clothes, shoes, paper, etc.
2. Cockroaches eat and destroy the foodstuff. They contaminate food, which gives a typical...