What is the initial value of the Boolean array 'oldVowels'?

• [true, false, true, true]

• [false, true, false, false]

• [true, true, false, true]

• [false, false, true, true]

What will be the value of 'newVowels' at index 3 after the first iteration of the loop?

• null

• false

• undefined

• true

What is the main issue with the 'removeDupes' method?

• It does not check for duplicates correctly.

• It does not handle empty arrays.

• It does not remove elements from the array.

• It increments 'k' even after removing an element.

What happens to the array when an element is removed in the 'removeDupes' method?

• The array elements shift up.

• The array elements shift down.

• The array remains the same.

• The array becomes empty.

What is the final value of 'sum' after executing the code segment with the 2D array?

• 66

• 60

• 54

• 48