Answer: Primary Source
Explanation:
The veteran is an eye witness he was there and experienced it making his story a primary source.
We need to recycle.IN order for climate change
Arabian sea
Hope I helped!
The TCP/IP protocol suite maps to a four-layer conceptual model known as the DARPA model, which was named after the U.S. government agency that initially developed TCP/IP. The four layers of the DARPA model are: Application, Transport, Internet, and Network Interface.