Q: What takes place when water on earth's surface changes to water vapor? Choices: - condensation - transpiration - absorption - evaporation A:
evaporation

Q: Ionic compound atoms of various elements gain or lose electrons to? Choices: - become ions - expel ions - flatten ions - produce ions A:
produce ions

Q: Q: Although they differ vastly in hardness, pencil lead and diamonds both contain what element? Choices: - graphite - hydrogen - oxygen - carbon A:
A: carbon

Question: Q: What allows theories to be widely accepted? Choices: - hypothesis - observation - theory - evidence A:
Answer: evidence

*Question*
Q: What are the light wavelengths that the human eye can detect called? Choices: - ultraviolet light - apparent light - infrared light - visible light A:
**Answer**
visible light

*Question*
Q: What tissue do clubmosses have that mosses do not? Choices: - dioxide tissue - nuclei - chorophyll - vascular tissue A:
**Answer**
vascular tissue