The foundation for reading are asking questions. and using a graphic organizers

its

Explanation: Looking at the options, you can eliminate "their" and "there" right away. Just by putting it in the blank and rereading it, it doesn't make sense. Now, you have "its" and "it's". With "it's", you are saying "it is". If you put "it's" in the sentence, saying "it is" in the blank, it also doesn't make sense. That only leaves one option. "its" is the right answer. Hope this helps for the future!