Column charts present data graphically in ________ columns

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.population > 200 Order By country.area Descending Select country.name, country.continent dgvNations.DataSource = query.ToList dgvNations.CurrentCell = Nothing ``` Suppose a structure and an array are created with the code ``` Structure Nation Dim Di m Di m Di m name As String continent As String population As Double 'in millions area As Double 'in square miles End Structure Dim nations(191) As Nation ``` (A) Two columns, with headers name and continent. The grid will display the countries (along with their continents) whose populations are greater than 200 million people. The countries will be displayed in order to their population, beginning with the most populous country. (B) Four columns, with each row containing data about a single country whose population is greater than 200 million people. The countries will be displayed in order of their area, beginning with the largest country. (C) Two columns, with headers country.name and country.continent. The grid will display the countries (along with their continents) whose populations are greater than 200 million people. The countries will be displayed in order to their area, beginning with the largest country. (D) Two columns, with headers name and continent. The grid will display the countries (along with their continents) whose populations are greater than 200 million people. The countries will be displayed in order to their area, beginning with the largest country.

Write Boolean expressions that represent the given English expressions. Assume any variables used have been declared and initialized.

a) alpha is greater than 1 b) x is odd c) x and y are odd d) ch is an upper case alphabetic character (between 'A' and 'Z'). e) digit, which is f type char, has value that is indeed a digit.