Q: The number of waves that pass a fixed point in a given amount of time is referred to as what? Choices: - tendency frequency - wave speed - wave harmonics - wave frequency A:
wave frequency

Q: Most scientists think that ordinary matter is less than half of the total matter in the universe; the remaining part includes what mysterious entity? Choices: - mystery matter - magic matter - cold matter - dark matter A:
dark matter

Q: Q: How do autotrophs get food? Choices: - From Water - Soak up from host cell - From Plant matter - make their own A:
A: make their own

Question: Q: The cochlea and vestibul make up what part of the ear? Choices: - middle - upper - outer - inner A:
Answer: inner

*Question*
Q: Each new horizontal row of the periodic table corresponds to the beginning of a new period because a new principal energy level is being filled with what? Choices: - protons - photons - neutrons - electrons A:
**Answer**
electrons

Q: Q: What class of organisms help decompose matter to release nutrients and make nutritious food for other organisms ? Choices: - bacteria - yeast - coral - fungi A:
A: fungi