Q: Q: Explosive eruptions associated with what can be tens of thousands of times as powerful as an atomic bomb? Choices: - forest fires - hurricanes - earthquakes - volcanoes A:
A: volcanoes

Q: Q: A change in one or more physical properties of matter without any change in chemical properties is called what? Choices: - negative change - positive change - atmospheric change - physical change A:
A: physical change

Q: Q: The urea cycle, a set of biochemical reactions that produces urea from ammonium ions to prevent toxicity, occurs to some extent in the kidney, but primarily in what organ? Choices: - spleen - skin - colon - liver A:
A: liver

Q: Q: Fusion is another nuclear process that can be used to produce energy. in this process, smaller nuclei are combined to make larger nuclei, with an accompanying release of this? Choices: - food - mineral - cells - energy A:
A: energy