useless trivia: What Word Means: Full Of Rushes?

Questions

A 1999 survey of 25,500 standard English-language dictionary words found that ______ percent of them have been registered as .coms?

A ball of glass will bounce higher than a ball of?

A ball of solid steel will bounce higher than one made entirely of?

A chest X-ray is comprised of 90,000 to 130,000 ______ volts?

A NUKE InterNETWORK poll found that ________ percent of Internet users have cut back on watching TV in order to spend more time online; 12 percent have cut back on seeing friends?