Q: What can happen if there is a blockage in circulation to the brain? Choices: - memory - automation - hydration - stroke A:
stroke

Q: The combined gas law involves three properties of a gas - volume, absolute temperature, and what? Choices: - power - time - direction - pressure A:
pressure

Q: Q: The converging of continental plates can form what kind of geological feature? Choices: - plains - streams - shores - mountains A:
A: mountains

Question: Q: What are the two main types of air pollutants? Choices: - a and b - new and old - good and bad - primary and secondary A:
Answer: primary and secondary

*Question*
Q: What is defined as the mass per unit volume of a substance? Choices: - weight - diameter - height - density A:
**Answer**
density

Q: Q: What type of joint are ball-and-socket, hinge, and pivot examples of? Choices: - retractable - artificial - fixed - movable A:
A: movable