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The difference between the atomic number of an element and the element's atomic mass is the number of

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Question generated: Shale is a sedimentary rock that can be metamorphosed into slate by

Problem: Write a question you would see in a school textbook.

Answer: Which item is used for protection from chemical splashing?

question: Write a question you would see in a school textbook. OPTIONS:
- helium
- hydrogen
- mercury
- tin
answer: Which of these elements is likely to be found in an organic compound?

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Which characteristic is common to all reptile species?

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A city has a temperature of 75 F, with partly cloudy skies. Weather forecasters are predicting that the air pressure and temperature will drop during the day. Which type of weather is most likely for this area in the late afternoon?