Each Line of the File UN

question 43

Multiple Choice

Each line of the file UN.txt contains four pieces of information (name, continent, population in millions, area) about one of the 192 member countries of the United Nations. The first two lines of the file are
Afghanistan,Asia,28.2,251772
Albania,Europe,3.2,11100
What is the first line of the file created by the following code?
Dim query = From line In IO.File.ReadAllLines("UN.txt") Let data = line.Split(","c)
Let country = data(0) Let population = 1000000 * CDbl(data(2) ) Let area = CDbl(data(3) )
Let density = population / area
Select country & "," & density.ToString("N1")
IO.File.WriteAllLines("NewFile.txt", query)

• A) Afganistan,28200000/251772
• B) Afganistan,112.0
• C) Afganistan,112.006100757829
• D) country,density

Recognize the importance of environmental factors and community infrastructure in disease prevention.

Understand the historical development of public health initiatives and their impact on community health.

Analyze the role of government and non-governmental organizations in the advancement of public health.

Identify key figures and their contributions to public health and nursing.