Q: The zeros at the end of a number are known as what? Choices: - rest zeros - edge zeros - remaining zeros - trailing zeros A:
trailing zeros

Q: Planes fly in what layer of the atmosphere because there is less friction and turbulence? Choices: - mesosphere - ozone layer - crust - stratosphere A:
stratosphere

Q: Q: How long do the long-lived isotopes require to decay to a safe level in a nuclear reactor? Choices: - tens of years - millions of years - hundreds of years - thousands of years A:
A: thousands of years

Question: Q: What harmful light does ozone reduce in the upper atmospheres? Choices: - infrared light - visible light - specific light - ultraviolet light A:
Answer: ultraviolet light

*Question*
Q: When something is described as "hydrophilic", you can determine something about how it interacts with what? Choices: - hydrogen - air - iron - water A:
**Answer**
water

Q: Glaciers modify the landscape by what? Choices: - silt - sediment - truncation - erosion A:
erosion