And we don't expect much from kids. For example a 2011 study found half of 4th, 5th, and 6th-grade students didn't know pickles were cucumbers or that onions came from plants.
But what about the 'grown-up?'
The U.S. Dairy Innovation Center surveyed over 1,000 adults in April and found nearly 10% thought brown cows make chocolate milk. No one dared ask them where cows come from, luckily.
The 'backward' people from farming communities knew the answers.
But the Obama/Hillary voters living in big blue cities like New York, Chicago, San Francisco and Los Angeles are the loose-cannons that don't know where basic foods come from, folks.