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.

Q: Which of these tools is best for recording observations outdoors?  
 (A) a ruler (B) a graph (C) a notebook (D) a calculator

A: C
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Q: Scientists wonder how the Egyptian pyramids were built. They think that the huge blocks of stone may have been put into place by pushing them up a sloping pathway. The pathway is which type of simple machine?  
 (A) lever (B) pulley (C) inclined plane (D) wheel and axle

A: C
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Q: What is one way in which workplace automation can have a negative effect on society?  
 (A) reducing the number of job-related injuries (B) producing manufactured objects at a faster rate (C) displacing skilled workers from manufacturing jobs (D) decreasing the availability of manufactured products

A:
C
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