*Question*
If radios use sound waves, then what type of waves to radios use? Answer choices: - Electrical - TRH - energy - Light - bent - Sound - Magnetic - similar
**Answer**
Sound

*Question*
If coral reefs provide support for humans, then what do coral reefs provide for humans? Answer choices: - Energy. - support - fuel - Energy - food - destruction - pain - body water
**Answer**
support

*Question*
If rainbows are formed by water vapor, then rainbows are formed via? Answer choices: - sunlight - streams - photons - water vapor - water cycles - water tables - just light - condensation
**Answer**
water vapor

*Question*
If cell phones can cause a driver to crash, then what can cell phones do to a driver? Answer choices: - Cause them to drive safer - Cause them to crash - move to different locations - decreases its bodily water - decrease stamina - Cause them to miss school - Cause them to be late to work - cause their death
**Answer**
Cause them to crash