Q: What do we call the major artery carrying recently oxygenated blood away from the heart? Choices: - capillary - muscular artery - arteriole - aorta A:
aorta

Q: Acids are molecular compounds that dissolve in water to produce hydronium ions and what else? Choices: - a neutron - a proton - an alkali - an anion A:
an anion

Q: Q: How does water from roots reach the leaves? Choices: - water - combining cells - water - raising cells - water-phobic cells - water-conducting cells A:
A: water-conducting cells

Question: Q: Superconductors expel a magnetic field from their interior. what is this phenomenon known as? Choices: - weissenberg effect - eibner effect - lauer effect - meissner effect A:
Answer: meissner effect

*Question*
Q: In which sphere of the atmosphere do the northern and southern lights occur? Choices: - lithosphere - stratosphere - ionosphere - thermosphere A:
**Answer**
thermosphere

*Question*
Q: What do ranchers fear will happen if wolves return? Choices: - loss of environment - human predation - vegetation predation - livestock predation A:
**Answer**
livestock predation