Answer:
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.
Explanation:
by photosynthesis sunlight provides the food the tree needs
Answer:
D. The size of the krill population.
Because they contain CARBON