You are given a short paragraph, a question and two choices to answer from. Choose the correct answer based on the paragraph and write the answer(not the key).

Paragraph: As animals grow their bones get longer and bigger, they grow more hair, and are able to take care of themselves by getting food, shelter, and water.
 Question: Mona is a puppy. As she grows older and her bones get bigger, what happens to her ability to take care of herself? 
 Choices: A)increases 
B)decreases
increases