Problem:OPTIONS:
- black light
- LED
- fluorescent
- incandescent

Q: What kind of light bulb contains a thin wire filament made of tungsten that gets hot and glows? A:
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A: incandescent

Problem:OPTIONS:
- velocity
- frequency
- diameter
- density

Q: What expresses the mass of substance in terms of the volume occupied by the substance? A:
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A: density

Problem:OPTIONS:
- generational alterations
- eukaryotic alterations
- mutational alterations
- chromosomal alterations

Q: What term is used to describe major changes in the genetic material? A:
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A: chromosomal alterations

Problem:OPTIONS:
- uneven
- sudden
- rapid
- slow

Q: Human evolution shows that evolutionary changes typically occur at what pace? A:
****
A:
slow