Question: Q: What corrosive substances capable of dissolving many metals can cause contamination if spilled? Choices: - salts - bases - ions - acids A:
Answer: acids

Question: Q: What body part does encephalitis attack? Choices: - lungs - liver - heart - brain A:
Answer: brain

Question: Q: What type of organism is commonly used in preparation of foods such as cheese and yogurt? Choices: - protozoa - gymnosperms - viruses - mesophilic organisms A:
Answer:
mesophilic organisms