Sentence Correction (SC) | The USDA strictly prohibits vegetables that are grown using genetic

arvind910619 , the difference between 'or' and 'and' is as follows:
-- In baseball, you will be suspended for taking drugs X, Y, or Z -- This means if you take ANY of them, you are suspended.
-- In baseball, you will be suspended for taking drugs X, Y, and Z-- This means you have to take ALL of them to be suspended.

Kevinjoshi
The three items are parallel because the use of any of them discounts the ability to be labeled 'organic'.

A. genetic engineering or ionizing radiation, and with sewage
...

---