Q: How many chambers does a mammalian heart have? Choices: - one - five - three - four A:
four

Q: The domain geometry for a molecule with four electron pairs is called what? Choices: - bent - trigonal planar - linear - tetrahedral A:
tetrahedral

Q: Q: What helps control the muscles and maintain balance? Choices: - circulatory system - muscular system - lymphatic system - nervous system A:
A: nervous system

Question: Q: Where on earth do bacteria live? Choices: - skin - water - blood - all environments A:
Answer: all environments

*Question*
Q: What is produced when sulfur and oxygen combine? Choices: - treatment oxides - Solid oxides - ethanol oxides - sulfur oxides A:
**Answer**
sulfur oxides

(Question)
Q: The force that pulls objects toward the earth is what? Choices: - Friction - Magnetic force - Tension - gravity A:
(Answer)
gravity