Q: What organ breaks down excess amino acids and toxins in the blood? Choices: - kidney - heart - lungs - liver A:
liver

Q: The vapor pressures of various liquids depends primarily on the strength of what kind of attractions between individual particles? Choices: - diffusion - gravitational - outer molecular - intermolecular A:
intermolecular

Q: Q: Mechanical energy can also usually be expressed as the sum of kinetic energy and what other kind of energy? Choices: - reflective energy - directional energy - partial energy - potential energy A:
A: potential energy

Question: Q: What element is the sun mostly made up of? Choices: - manganese - mercury - helium - hydrogen A:
Answer: hydrogen

*Question*
Q: What are vesicles made of? Choices: - cells - membranes - filaments - phospholipids A:
**Answer**
phospholipids

*Question*
Q: What scale measures acidity? Choices: - frequency scale - richter scale - salinity scale - ph scale A:
**Answer**
ph scale