*Question*
Q: Which layer is found below the lithosphere? Choices: - troposphere - magnetosphere - stratosphere - asthenosphere A:
**Answer**
asthenosphere

*Question*
Q: How many oxygen ions make up an ozone molecule? Choices: - eight - one - five - three A:
**Answer**
three

*Question*
Q: The same reaction regenerates pyruvate, which is transported to which cells? Choices: - outermost - skin - symbionts - mesophyll A:
**Answer**
mesophyll

*Question*
Q: Helicopter pilots can recover from piloting errors by decreasing altitude, turning some of their potential energy into what kind of energy? Choices: - electrical - free - active - kinetic A:
**Answer**
kinetic