Q: The number of possible isomers increases tremendously as carbon skeletons increase in what? Choices: - variation - mass - weight - size A:
size

Q: What system of the body is generally responsible for breathing? Choices: - excretory - integumentary - cardiac - respiratory system A:
respiratory system

Q: Q: Osteoporosis, osteoarthritis, fractures, and sprains are problems affecting what system? Choices: - digestive system - nervous system - tissues system - skeletal system A:
A: skeletal system

Question: Q: What is pollution that enters water at just one point called? Choices: - entry point pollution - point supply pollution - point supply pollution - point source pollution A:
Answer: point source pollution

*Question*
Q: What is a sac-like organ that stores urine? Choices: - the colon - the urinary liver - the small intestine - the urinary bladder A:
**Answer**
the urinary bladder

(Question)
Q: What is the measure of how closely molecules are packed together? Choices: - length - volume - frequency - density A:
(Answer)
density