Q: What is the term for the buildup of electric charge on an object, which can be transferred to another when touched? Choices: - electromagnetic electricity - electric potential - static cling - static electricity A:
static electricity

Q: Photosynthesis requires light, water and what else? Choices: - seasons - nitrogen - soil - carbon dioxide A:
carbon dioxide

Q: Q: Two events are defined to be simultaneous if an observer measures them as occurring at what? Choices: - midnight - opposite times - different times - same time A:
A: same time

Question: Q: What state is achieved when the forward and reverse reactions proceed at equal rates? Choices: - neutrality - equality - constant - equilibrium A:
Answer: equilibrium

*Question*
Q: What force pulls people and objects toward the center of the earth? Choices: - magnetism - variation - motion - gravity A:
**Answer**
gravity

*Question*
Q: What are two other terms for dizygotic twins, which make good study subjects because they share many environmental conditions, but only about half of their polymorphisms? Choices: - fractional - identical twins - interdependant twins - fraternal, non-identical A:
**Answer**
fraternal, non-identical