Q: Sickle cell anemia is what type of disorder? Choices: - autosomal dominant disorder - spontaneous mutation - nongenetic disorder - autosomal recessive disorder A:
autosomal recessive disorder

Q: What two layers is the skin made of? Choices: - respiration and dermis - layers and dermis - Blood and dermis - epidermis and dermis A:
epidermis and dermis

Q: Q: What force occurs whenever two surfaces come into contact? Choices: - tension - vibration - gravity - friction A:
A: friction

Question: Q: The last two stages of aerobic respiration require what? Choices: - water - carbon - sulfur - oxygen A:
Answer: oxygen

*Question*
Q: What is the chief organ of the urinary system? Choices: - liver - bladder - lung - kidney A:
**Answer**
kidney

Q: What can be used to convert the energy provided by the sun to usable electrical energy? Choices: - Wind Mills - Pannels - Power Plants - solar cells A:
solar cells