Q: What is the minimum number of loops a circuit can have? Choices: - 3 - .1 - 2 - 1 A:
1

Q: What structure does methane have? Choices: - two dimensional oxyhedra - two dimensional tetrahedra - three dimensional oxyhedra - three dimensional tetrahedra A:
three dimensional tetrahedra

Q: Q: What is the term for daily cycles of behavior, like the sleep-wake cycle? Choices: - daily rhythms - variable rhythms - behavioral rhythms - circadian rhythms A:
A: circadian rhythms

Question: Q: What still causes fatal lung disease in nonsmokers? Choices: - nicotine - chewing tobacco - alcohol - tobacco smoke A:
Answer: tobacco smoke

*Question*
Q: What is the primary gas produced from burning of wood? Choices: - liquid dioxide - Hydrogen Dioxide - toxic dioxide - carbon dioxide A:
**Answer**
carbon dioxide

Q: In amniotes that lay eggs, the shell of the egg provides protection for the developing embryo while being permeable enough to allow for the exchange of carbon dioxide and this? Choices: - gas - tissue - Protein - oxygen A:
oxygen