Q: The structures of both trifluoramine and hydroxylamine are similar to that of what? Choices: - hydrogen - magnesium - nitrogen - ammonia A:
ammonia

Q: What term describes scientists who debate the origin of the earliest plants? Choices: - specialists - archaebotanists - protobotanists - paleobotanists A:
paleobotanists

Q: Q: What is an interesting example of a molecule with two central atoms, which are both c atoms? Choices: - chloride - water - sulfur - acetylene A:
A: acetylene

Question: Q: What is the male gamete called in humans? Choices: - dna - egg - testes - sperm A:
Answer: sperm

*Question*
Q: What kind of resource is soil? Choices: - nonrenewable - finite - viable - renewable A:
**Answer**
renewable

Q: What force is perpendicular to velocity and causes uniform circular motion? Choices: - centripetal torque - circular friction - tangential force - centripetal force A:
centripetal force