Q: Cellular respiration and photosynthesis are important parts of which cycle? Choices: - vapor cycle - greenhouse effect - water cycle - carbon cycle A:
carbon cycle

Q: What type of disease can be treated by radioactive elements in glucose? Choices: - mutation - infection - genetic disorder - cancer A:
cancer

Q: Q: Why will water balloons launched into the air eventually burst? Choices: - heat - momentum - friction - expansion A:
A: expansion

Question: Q: Alkanes are nonpolar and therefore do not attract what? Choices: - molecules - eons - atoms - ions A:
Answer: ions

*Question*
Q: Catalytic converters used on motor vehicles break down pollutants in what, yielding non-toxic compounds? Choices: - muffler - intake - oil - exhaust A:
**Answer**
exhaust

Q: The formation of an amalgam allows the metal to react with what? Choices: - helium and oxygen - cloth and plastic - blood and sweat - air and water A:
air and water