They use multiple techniques to help children.
Answer: I think the answer is a. working software over comprehensive documentation
Explanation: Agile Manifesto is a brief document built on 4 values and 12 principles for agile software development. The Agile Manifesto was published in February 2001 and is the work of 17 software development practitioners who observed the increasing need for an alternative to documentation-driven and heavyweight software development processes.
Trench 4 foot or deeper and must be located 25 foot within eachother
Local Are Network (LAN) is a network that connect computer (or other network devices) in a limited area (local area).
Wide Area Network (WAN) on the other hand is a network that connects computers on a a large geographical area. According these definitions, the following statement is true:
C) wide are network allow users to share files with a secure connection