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:
lab safety symbols

Q: The number of waves that pass a fixed point in a given amount of time is called what? Choices: - wavelength of a wave - spectroscopy of a wave - spread of a wave - frequency of a wave A:
frequency of a wave

Q: Q: Radiation, chemicals, and infectious agents are types of what? Choices: - mutations - endogenous - dioxins - mutagens A:
A: mutagens

Question: Q: What happens to the volume of a balloon when you add moles of gas to it by blowing up? Choices: - changes randomly - decreases - stays the same - increases A:
Answer: increases

*Question*
Q: The vertebrae are divided into the cervical region, the thoracic region, and which other region? Choices: - cylindrical region - central region - pelvic region - lumbar region A:
**Answer**
lumbar region

Q: Q: In the tropics what are the prevailing winds called? Choices: - a front - crosswinds - storm winds - tradewinds A:
A: tradewinds