*Question*
Q: What is the limiting factor for bacteria in a dish? Choices: - density - speed - material - space A:
**Answer**
space

*Question*
Q: What broad category of animals shows adaptations from water-dwelling to land-dweller, including the ability to breathe air and legs to move on land? Choices: - reptiles - birds - herbivores - amphibians A:
**Answer**
amphibians

*Question*
Q: What type of earthquake creates a tsunami? Choices: - Tectonic - collapse - volcanic - underwater A:
**Answer**
underwater

*Question*
Q: What prevents soil erosion on a hillside that is being farmed? Choices: - slash-and-burn - irrigation - no-till farming - terracing A:
**Answer**
terracing