Help with this one

Question

In regard to objects, which two of the following statements are true?
Select all that apply
Objects are always visible items
Objects are not always physical items
Objects are always physical items
Objects are not always visible items

Answer 1

uhhhh in my mind it's 1 to 4

Answer 2

2 and 4 ?

Answer 3

2 & 4

Answer 4

2 & 4