Question

which of these is the most persistent (stays the longest) in the environment?
a peanut butter and jelly sandwich
a plain paper bag without any coating
a partially eaten apple thrown outside
ddt and other chemicals like it

Explanation:

DDT is a highly persistent organic pollutant. It is slow - to - degrade in the environment compared to organic materials like food items (sandwich, apple) and paper. Organic materials can be broken down by natural processes such as decomposition by microorganisms, while DDT resists such degradation easily.

Answer:

DDT and other chemicals like it