Q: Enzymes in the stomach and small intestine break down proteins into what components? Choices: - atoms - antioxidants - lactic acids - amino acids A:
amino acids

Q: What material is regularly used in human hip and knee implants? Choices: - wood - glass - coal - metal A:
metal

Q: Q: How does the nucleus divide during nuclear fission? Choices: - evenly - biochemically - equally - asymmetrically A:
A: asymmetrically

Question: Q: What type of force always opposes the direction of motion? Choices: - binary friction - strong force - harmonic friction - kinetic friction A:
Answer: kinetic friction

*Question*
Q: What do body cells use for energy? Choices: - chlorophyll - solvents - mixtures - sugars A:
**Answer**
sugars

(Question)
Q: As air pressures inside and outside of the ear equalize, what phenomenon is produced? Choices: - eyes blinking - throat scratching - heart skipping - ear popping A:
(Answer)
ear popping