Question: Q: Respiratory distress syndrome results from insufficient production of what? Choices: - carbon dioxide - alveoli - lung tissue - pulmonary surfactant A:
Answer: pulmonary surfactant

Question: Q: What can destroy living cells, produce mutations and cause cancer? Choices: - plasma rays - stingrays - prismatic rays - gamma rays A:
Answer: gamma rays

Question: Q: Why are atoms of metals good conductors of electricity? Choices: - break into smaller parts - conserve heat - hold on to electrons - give up electrons A:
Answer:
give up electrons