*Question*
Q: What is the name for an underground layer of rock that is saturated with groundwater? Choices: - gradient - aqueous cavity - artesian well - aquifer A:
**Answer**
aquifer

*Question*
Q: What state of matter takes neither the shape nor the volume of its container? Choices: - hot - gas - liquid - solid A:
**Answer**
solid

*Question*
Q: In physics, what do you call devices that make work easier? Choices: - circuits - levers - tools - machines A:
**Answer**
machines

*Question*
Q: How does bacteria reproduce? Choices: - sexual reproduction - budding - pollination - binary fission A:
**Answer**
binary fission