Q: Changing the frequency of sound waves, will change the _________ of the sound of a musical instrument? Choices: - velocity - distance - direction - pitch A:
pitch

Q: What refers to a substance made from two or more elements joined by chemical bonds? Choices: - basic - component - contrast - compound A:
compound

Q: Q: What determines the length and thickness of dna chromosomes? Choices: - degree of rna coiling - type of dna - number of chromosomes - degree of dna coiling A:
A: degree of dna coiling

Question: Q: What is the smallest aromatic hydrocarbon? Choices: - furan - sulfide - phosphate - benzene A:
Answer: benzene

*Question*
Q: What consists of these five stages: prophase, prometaphase, metaphase, anaphase, and telophase? Choices: - evolution - germination - meiosis - mitosis A:
**Answer**
mitosis

Q: Q: What is a mixture of metal with one or more other elements? Choices: - an alkali metal - a halloid - a metalloid - an alloy A:
A: an alloy