IDNLearn.com is your go-to platform for finding accurate and reliable answers. Find the answers you need quickly and accurately with help from our knowledgeable and dedicated community members.
Answer:
Well, If the dye is found outside of the system then it would mean that there was an opening somewhere making it an open system. If there was not dye found in the surrounding areas then that means its a closed system.
Note: Glad I could help!