Fill the blanks with appropriate information: 1. If we want to create array that can hold only whole numbers, we should declare its type as 2. The values stored in an array are called , which are accessed by their index number. 3. In C++, arrays always start at index number 4. In a 2D array, the first set of square brackets specifies the number of , while the second set specifies the number of 5. To iterate through all the elements of an array, you can use a loop, starting at index 0 and incrementing the index until the end of the array is reached. 6. The size of an array in C++ can be determined using the built-in function 7. In C++, arrays can be passed as arguments to functions using their