Well, it depends: If your friend wants something dark-er, than blue, then I would pick purple. While blue can be a sort of brighter color for certain situations.
<span>Detritus is dead decaying plant materialDetritus is particles of non-living organic materials, like dead leaves and animals and animal droppings on a forest floor. It can also refer to particles of rock worn away from a larger formation by<span> erosion.</span></span>
Answer: Cross-contamination
Explanation: it is the transfer of harmful organisms from one surface to another that is often the cause. This is especially troublesome for raw, ready-to-eat foods, such as salads or other produce.