3. Why are fireworks so dangerous? a. They produce carbon monoxide that suffocates people b. They produce poisonous gases. c. They can blow up and hurt people. d. They may spread diseases. 4. Why would road flares be red? a. Red flares are the prettiest ones. b. Red flares show up well at night. c. Red flares are the only color that can be made. d. Red flares make more noise than other colors.

Let's analyze each question and its options: ### Question 3: Why are fireworks so dangerous? - **a. They produce carbon monoxide that suffocates people**: While fireworks can produce harmful gases, carbon monoxide is not the primary concern. - **b. They produce poisonous gases**: Fireworks can release various toxic substances, but this is not the main reason for their danger. - **c. They can blow up and hurt people**: This is a significant risk associated with fireworks, as they can explode unexpectedly and cause injuries. - **d. They may spread diseases**: Fireworks do not spread diseases. **Correct Answer: c. They can blow up and hurt people.** ### Question 4: Why would road flares be red? - **a. Red flares are the prettiest ones**: This is subjective and not a practical reason. - **b. Red flares show up well at night**: Red is a color that is easily visible in low light conditions, making it practical for safety. - **c. Red flares are the only color that can be made**: This is incorrect; flares can be made in various colors. - **d. Red flares make more noise than other colors**: The color of a flare does not determine its noise level. **Correct Answer: b. Red flares show up well at night.** In summary: - For Question 3, the answer is **c**. - For Question 4, the answer is **b**.