Which of these nanocomposite materials classifications is used in the niche application of increasing the freshness and shelf lived of food and beverages?

Gas-barrier coatings

The gas-barrier coatings is a nanocomposite material that offer improved functionality over traditional composites and polymers for they have effective barrier properties, antimicrobial activities and they have the sustainability that help increase the freshness and shelf lived of food and beverages.

the correct answer is: d. the saltine and pretzel are made of flour, yeast, and baking soda, and salt. the pecan contains no flour but it does contain fats. the pecan is a nut that can be consumed as a healthy snack. first of all, pecans are a source of fat (monounsaturated fat), but they provide less fat than some other nuts. pecans are a rich source of dietary fiber, manganese magnesium, phosphorus, thiamin, vitamin e…

"d.) carbon dioxide and hydrogen sulfide"