500
Given the scenario, write a question using the independent and dependent variables:
James wants to know if putting orange juice on his apples will prevent them from turning brown. He cuts two apples and puts them into a bowl. In one bowl, he adds 1 tablespoon of orange juice. In the other bowl, he adds nothing. He checks the color of the apples every 2 minutes for 30 minutes.
Question: Will orange juice prevent apples from turning brown?
What can we add to apples that will prevent them from turning brown?