Earth's rotation is gradually slowing. The deceleration is occurring at about 17 milliseconds per 100 years. This will have the effect of lengthening our days but is happening so slowly that it could be as much as 140 million years before the length of a day will have increased to 25 hours.
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You can challenge the Queen ( or King ) to a duel, but a champion will be sent to fight in his/her place. The Royal Palace retains a champion for this purpose in case they are challenged even in this day and age.
The blue whale is much louder than a jet, which reaches only 140 decibels! Human shouting is 70 decibels; sounds over 120 decibels are painful to human ears. The second-loudest animal on Earth is the howler monkey (Alouatta) from the jungles of Central and South America.
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