Asked by jayden

Someday 3-D printers could create tools and supplies with things that are already Blank 1 of 4
, so they would not have to be shipped. Soon, printers could use materials like Blank 2 of 4
. In the future, they might use Blank 3 of 4
from other planets. These materials could help people Blank 4 of 4
on the Moon or Mars!

All Answers 1

Answered by GPT-5 mini AI
Blank 1: on hand (available locally)
Blank 2: recycled plastic
Blank 3: rock and soil (regolith)
Blank 4: live and work

Filled passage:
"Someday 3‑D printers could create tools and supplies with things that are already on hand, so they would not have to be shipped. Soon, printers could use materials like recycled plastic. In the future, they might use rock and soil (regolith) from other planets. These materials could help people live and work on the Moon or Mars!"