Q: What is another term for scale worms? Choices: - trichina - wormidanopis - spirogyra - halkieria A:
halkieria

Q: What three characteristics do waves have? Choices: - structure , refraction and deflection - theory , refraction and deflection - spin, refraction, and deflection - reflection, refraction and deflection A:
reflection, refraction and deflection

Q: Q: How many electrons are in the hydrogen atom? Choices: - five - two - three - one A:
A: one

Question: Q: The most powerful or influential individual in a group is sometimes called what? Choices: - superior - gamma - beta - dominant A:
Answer: dominant

*Question*
Q: When current flows in just one direction, what is it called? Choices: - mono-current - reactant current - alternating current - direct current A:
**Answer**
direct current

*Question*
Q: Worms grow to adult size without going through what stage? Choices: - egg - development - growth - larval A:
**Answer**
larval