Q: Scientists perform experiments to test their hypotheses because sometimes the nature of natural universe is what? Choices: - become obvious - very obvious - this obvious - not obvious A:
not obvious

Q: Ammonia, urea, and uric acid are examples of what kind of waste? Choices: - carbonous - sulphurous - oxygenous - nitrogenous A:
nitrogenous

Q: Q: Atomic orbitals from different atoms overlap to form what? Choices: - plasma orbitals - space orbitals - planet orbitals - molecular orbitals A:
A: molecular orbitals

Question: Q: How many vertebrae make up the human vertebral column? Choices: - 35 - 32 - 35 - 33 A:
Answer: 33

*Question*
Q: When a predator kills and eats its prey, what sort of predation is this referred to as? Choices: - false - just - predestined - true A:
**Answer**
true

Q: Q: What should you learn that allows you to recognize and avoid the dangers of specific hazards when experimenting, such as flames or broken glass? Choices: - available safety symbols - medical safety symbols - first aid safety symbols - lab safety symbols A:
A: lab safety symbols