Question: Q: In what state of matter is butter at room temperature? Choices: - gel - gas - liqued - solid A:
Answer: solid

Question: Q: How many different amino acids make up proteins. Choices: - 14 - 25 - 30 - 20 A:
Answer: 20

Question: Q: What sulfur compound occurs in volcanic gases and in the atmosphere near industrial plants? Choices: - sulfur hydroxide - carbon sulfide - nitrogen sulfide - sulfur dioxide A:
Answer:
sulfur dioxide