Q: Multiple sclerosis, huntington's disease, parkinson's disease, and alzheimer's disease are example of diseases of which body system? Choices: - muscular system - lymphatic system - circulatory system - nervous system A:
nervous system

Q: What is the most common way to classify stars? Choices: - by age - by distance - by size - by color A:
by color

Q: Q: What are the salts of fatty acids called? Choices: - dyes - creams - malts - soaps A:
A: soaps

Question: Q: What gland secretes its products directly into the urethra through several small ducts Choices: - pituitary - adrenal - thyroid - prostate A:
Answer: prostate

*Question*
Q: What is the transfer of thermal energy between particles of matter that are touching called? Choices: - convection - activation - radiation - conduction A:
**Answer**
conduction

*Question*
Q: What important liquid is stored throughout the earth in the oceans, underground, and in ice? Choices: - oil - lava - air - water A:
**Answer**
water