Answer:

paper

Answer	Crossword Clue
PAPER	Certain recyclable
PAPER	Scholarly work
PAPER	See 19-Across

PAPER	Post or Daily News
PAPER	Writing assignment
PAPER	Journal or Post
PAPER	Alternative to rock and scissors
PAPER	[1]
PAPER	Dissertation
PAPER	The pulp in pulp fiction
PAPER	Post or Trib

PAPER	See 5-Across
PAPER	Cover (over)
PAPER	Alternative to plastic
PAPER	First anniversary gift
PAPER	Tribune or Post
PAPER	Mill output
PAPER	Origami supply
PAPER	Alternative to plastic at a supermarket

PAPER	Plastic alternative
PAPER	Times or Post
PAPER	First-anniversary gift
PAPER	On ... (theoretically)