instruction:
You are given a science question (easy-level) and four answer options (associated with "A", "B", "C", "D"). Your task is to find the correct answer based on scientific facts, knowledge, and reasoning. Do not generate anything else apart from one of the following characters: 'A', 'B, 'C', 'D'. There is only one correct answer for each question.
question:
Peptide bonds in proteins can be broken down by the enzyme peptidase. Adrian orders a hamburger and French fries for lunch. He adds cheese and mayonnaise to his hamburger, and then sits down to eat lunch with his friends. Which structure would most likely result from the action of peptidase in Adrian's small intestine?  
 (A) lipid (B) glucose (C) amino acid (D) hydrocarbon
answer:
C


question:
The changing appearances of the nighttime sky over the surface of Earth and eclipses of the Moon have provided evidence that  
 (A) Earth is a sphere. (B) Earth supports life. (C) Earth has a layered atmosphere. (D) Earth is covered mostly with water.
answer:
A


question:
When placed in a container at room temperature, which substance has a definite volume but takes the shape of the container?  
 (A) ice (B) copper (C) water (D) wood
answer:

C