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what causes the "white smoke" trailing high flying jet planes ?
Sometimes you can see it - most of the time not.
9 AnswersAircraft1 decade agoIs Copernicium -112 still the highest atomic numbered element ?
or there's a newly discovered one now ..
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It's the longest word I know by heart .. though oficially not the longest word now.
2 AnswersWords & Wordplay1 decade agoWhat is a MICROCENTURY ?
1 AnswerWords & Wordplay1 decade agoWhat is HYDROGEN - is it a metal or a non-metal ?
A non-metal behaving like a metal - or a metal appearing like a non-metal ..
7 AnswersChemistry1 decade agoHYDROGEN - is it a metal or a non-metal ?
Is it a non-metal behaving like a metal - or a metal appearing to be a non-metal ..
7 AnswersChemistry1 decade ago