Answer:
Telephone conversation
Explanation:
Any real time conversations are synchronous.
4, 1, and 3
The last one I am going to say three because I know that friends show other friends so I wouldn’t call that “private”
A pressure regulator application on his computer or a station nearbye
Answer:
data source
Explanation:
The main aim of a data source is for the gathering of all necessary information that is needed to access a data. Since he has used the information to create a pie chart, this means that some data were used for the creation of this pie chart. Hence the information used for the creation of the pie chart is the data source for the information illustrated on the pie chart.