Flashbulb memories have been proven to be more accurate and lasting than everyday memories. true or false?

This statement is false. Flashbulb memories has not yet been proven to be more accurate and lasting than everyday memories. It has been debated for many years which one is more long-lasting and more accurate. Evidence show that flashbulb memory is just a snapshot of a memory and far from complete. 

The correct answer is "grounded".

You did not show us the image of the burger, but i shall try to answer as best i can.  when purchasing food, always consider the ingredients as well as the person who prepared it. consider if they were hygienic people or not, in case the burger was infected with bacteria. no mortal should place an infected burger into their mouth.