Ques: Q: What kind of light bulb contains a thin wire filament made of tungsten that gets hot and glows? Choices: - black light - LED - fluorescent - incandescent A:
Ans: incandescent

Ques: Q: What do you call a process that uses microorganisms to consume a pollutant? Choices: - siltation - filtration - biodegradation - bioremediation A:
Ans: bioremediation

Ques: Q: What is something that all machines must overcome? Choices: - stress - work - temperature - friction A:
Ans: friction

Ques: Q: What is most often the cause of encephalitis? Choices: - parasites - bacterial infections - calcium buildup - viruses A:
Ans:
viruses