Q: What forms when a glacier scrapes a large hole in the ground? Choices: - crater lake - underground cavern - glacial hill - glacial lake A:
glacial lake

Q: Which waves have the longest wavelengths but the least energy in the atmosphere? Choices: - microwaves - channel waves - light waves - radio waves A:
radio waves

Q: Q: Bar, circle, and line are all types of what? Choices: - theories - maps - algorithms - graphs A:
A: graphs

Question: Q: Two types of interference found in waves are constructive and what else? Choices: - osmotic - conductive - primitive - destructive A:
Answer: destructive

*Question*
Q: What type of energy is useful to humans because it's ease of transport and conversion to other forms of energy? Choices: - physical - potential - heat - electrical A:
**Answer**
electrical

(Q).
Q: Why do comet tails always point away from the sun instead of trailing behind the comet? Choices: - dust particles attract - dust particles evaporate - dust particles liquify - dust particles recoil A:
(A).
dust particles recoil