id	keyword
american_scientific_journal-4631	plastic
american_scientific_journal-4631	use
american_scientific_journal-4631	packaging
american_scientific_journal-4631	products
american_scientific_journal-4631	use plastic
american_scientific_journal-4631	waste
american_scientific_journal-4631	food
american_scientific_journal-4631	bags
american_scientific_journal-4631	environment
american_scientific_journal-4631	water
american_scientific_journal-4631	research