The people were skilled at building log canoes.
The people built sturdy longships.
They are rights and freedoms that all people are entitled to regardless of nationality
Answer:
Battery
Explanation:
the energy source in an electric circuit is called Battery or cell.
Answer: Line with single or double arrowhead
Explanation: Data flow diagram(DFD) is the diagram that contains the processing of the data in any operating system. According to the notation theory of Gane and Sarson , they created their own methods for the data flow diagrams in 1970's and made it a famous process.
The symbol for the data flow instruction was given by arrowhead that could be single-lined or double lined. The process was presented in the rectangles that has corners in round manner.Thus, the correct option arrowhead that can be single or double-lined.