Ques: Q: The first law of thermodynamics deals with the total amount of energy in what? Choices: - organism - springs - galaxy - universe A:
Ans: universe

Ques: Q: What layered form of carbon is used as a lubricant and in pencils? Choices: - carbonite - copper - lead - graphite A:
Ans: graphite

Ques: Q: Tar sands are rocky materials mixed with what? Choices: - shale - coal - magma - very thick oil A:
Ans: very thick oil

Ques: Q: What is the type of energy that involves movement? Choices: - molecular energy - thermal energy - light energy - mechanical energy A:
Ans:
mechanical energy