*Question*
Q: What is the modern periodic table based on? Choices: - element mass - metallic number - element density - atomic number A:
**Answer**
atomic number

*Question*
Q: What type of vehicles is able to go to the deepest ocean floor? Choices: - off road vehicles - all-terrain vehicles - autonomous controlled airplanes - remote-control vehicles A:
**Answer**
remote-control vehicles

*Question*
Q: Besides increasing the potential, how else can you increase current in a circuit? Choices: - increasing the resistance - increasing the heat - decreasing the heat - decreasing the resistance A:
**Answer**
decreasing the resistance

*Question*
Q: The seasonal movements of animals from one area to another is referred to as? Choices: - mitigation - hybernation - echolocation - migration A:
**Answer**
migration