Q: What system lets flatworms maintain a proper balance of water and salts? Choices: - homeostasis - nervous - digestive - excretory A:
excretory

Q: Which bonds are the strongest of the intermolecular forces? Choices: - complex - carbon - calcium - hydrogen A:
hydrogen

Q: Q: What is the shape of the thyroid gland? Choices: - square-shaped - snake - shaped - triangle-shaped - butterfly-shaped A:
A: butterfly-shaped

Question: Q: Titration is a method to determine what in acids or bases? Choices: - alkalinity - maturation - glucose - concentration A:
Answer: concentration

*Question*
Q: At what point during a chemical reaction is there no net change? Choices: - bonding - formation - ionization - equilibrium A:
**Answer**
equilibrium

Q: A tadpole turns into what land mammal? Choices: - a morph - A tortoise. - a pod - a frog A:
a frog