Ques:Q: What type of rain dissolves and damages stone buildings and statues? Choices: - plastic rain - morning rain - stored rain - acid rain A:

Ans:acid rain
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Ques:Q: In what unit is heat measured in? Choices: - velocities - thermals - amperes - joules A:

Ans:joules
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Ques:Q: Similarity of crystal structures is used to categorize what non-living materials? Choices: - salts - corals - grains - minerals A:

Ans:minerals
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Ques:Q: If particles have enough kinetic energy to completely overcome the force of attraction between them, matter exists as a what? Choices: - liquid - solid - vapor - gas A:

Ans:
gas
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