Suppose a Structure and an Array Are Created with the Code

question 4

Multiple Choice

Suppose a structure and an array are created with the code
Structure Nation
Dim name As String
Dim continent As String
Dim population As Double 'in millions
Dim area As Double 'in square miles
End Structure
Dim nations(191) As Nation in the Declarations section of the Code editor and the array is filled with data for the 192 member nations of the UN. What will be displayed in the DataGridView control when the following code is executed?
Dim query = From country In nations
Where (country.continent = "Europe") And
country.name.StartsWith("S")
Let countryUC = country.name.ToUpper
Let pop = (1000000 * country.population) .ToString("N0")
Let area = (country.area) .ToString("N0")
Order By countryUC Ascending
Select countryUC, pop, area

• A) Three columns, with headers country, population, and area. The grid will display the countries in Europe (along with their populations and areas) whose names begin with the letter S. The countries will be displayed capitalized in alphabetical order and their populations and areas will be formatted with commas as thousands separators.
• B) Four columns, with headers countryUC, continent, pop, and area. The grid will display the countries in Europe (along with their continents, populations and areas) whose names begin with the letter S. The countries will be displayed capitalized in alphabetical order and their populations and areas will be formatted with commas as thousands separators.
• C) Three columns, with headers countryUC, pop, and area. The grid will display the countries in Europe (along with their populations and areas) whose names begin with the letter S. The countries will be displayed capitalized in alphabetical order and their populations and areas will be formatted with commas as thousands separators.
• D) Three columns, with headers countryUC, pop, and area. The grid will display the countries in Europe (along with their populations and areas) whose names begin with the letter S. The countries will be displayed capitalized in reverse alphabetical order and their populations and areas will be formatted with commas as thousands separators.

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Definitions:

Activation Energy

The minimum amount of energy that must be provided to compounds to result in a chemical reaction.

Kinetic Energy

The energy of motion.

Chemical Bond Energy

The energy required to break a chemical bond and separate molecules into their constituent atoms or ions.

Trypsin

An enzyme produced in the pancreas that helps digest proteins by breaking them down into amino acids during digestion.