Q: What consequence of a tornado is responsible for most injuries and deaths? Choices: - catching debris - touring debris - falling debris - flying debris A:
flying debris

Q: What chemical element is required for a combustion reaction ? Choices: - carbon - helium - nitrogen - oxygen A:
oxygen

Q: Q: Which latitudes get the most energy from the sun? Choices: - middle latitudes - highest latitudes - polular latitudes - lowest latitudes A:
A: lowest latitudes

Question: Q: What kind of solids have particles that are arranged in a regular repeating pattern? Choices: - carbon-based solids - salts - metabolic solids - crystalline solids A:
Answer: crystalline solids

*Question*
Q: What do living things need to survive? Choices: - oxygen - heat - molecules - nutrients A:
**Answer**
nutrients

*Question*
Q: In a ketone, two of which kind of groups are attached to the carbonyl carbon atom? Choices: - ions - nitrogen groups - oxygen groups - carbon groups A:
**Answer**
carbon groups