Why is the access to the elements of an array fast? because we have fast computers now because the elements are stored sequentially in the memory because they are a reference type because arrays are encrypted in the memory Question 2 What do we call the integer value we use to identify an element of an array? an identifier a reference an id number an index Question 3 What do we use to create multidimensional arrays in Java? arrays where the elements are arrays arrays of simple data linked lists we can't create multidimensional arrays in Java Which of the following is not true about arrays? they all have an attribute length they have dedicated system classes they are objects of reference type they can store elements of different types Question 5 When can the binary search be applied in an array? when the array is sorted in ascending order when the array contains random values when the array is sorted backwards when the array is two-dimensional