Q: Heat expansion is a result of the increase of what type of energy, exhibited by molecules bumping together? Choices: - light energy - radioactivity - harmonic energy - kinetic energy A:
kinetic energy

Q: What occurs when the cartilage at the ends of the bones breaks down? Choices: - stress fracture - rheumatism - osteoporosis - osteoarthritis A:
osteoarthritis

Q: Q: What is another term for nearsightedness? Choices: - hypoxia - glaucoma - anemia - myopia A:
A: myopia

Question: Q: What is the minimum number of loops a circuit can have? Choices: - 3 - .1 - 2 - 1 A:
Answer: 1

*Question*
Q: Which electromagnetic waves are the most energetic of all electromagnetic waves? Choices: - sunlight rays - plasma rays - ultraviolet rays - gamma rays A:
**Answer**
gamma rays

(Q).
Q: What occurs when some substances change chemically to other substances? Choices: - toxic reaction - spontaneous mutation - hormonal reaction - chemical reaction A:
(A).
chemical reaction