Q: What are electromagnetic waves with the longest wavelengths called? Choices: - channel waves - sound waves - infrared waves - radio waves A:
radio waves

Q: What is the tail bone an example of? Choices: - invertebrate structure - parasitic structure - primordial structure - vestigial structure A:
vestigial structure

Q: Q: What are resources that don't run out? Choices: - residual resources - general resources - orbital resources - renewable resources A:
A: renewable resources

Question: Q: What is the name for electrons closer to the nucleus that do not participate in bonding? Choices: - surface electrons - radical electrons - odd electrons - core electrons A:
Answer: core electrons

*Question*
Q: Where are some of the greatest concentrations of species found? Choices: - at high altitudes - in the arctic - in mould colonies - in the tropics A:
**Answer**
in the tropics

Q: The earth is tilted on its what? Choices: - top - compass - radius - axis A:
axis