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: The main law is the law of superposition. This law states that deeper rock layers are older than layers closer to the surface.
 Question: John was looking at the rock layers at the top of the cliff. He saw that as the layers became shallower, they also became 
 Choices: A)Newer 
B)older
Newer