Hello There!
It was a Greek astronomer called Aristarchus of Samos.
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- Hannah ❤<span />
To be honest I don’t really know
The expression or comment "Brain Freeze" means that the roof of your mouth is getting so cold that its affecting some of the nerves in your brain making it feel like a brain freeze.
Carbon can bond up to 4 times so it can be stronger in some cases than other elements.
Greenhouse gasses have increased due to carbon emissions and the amount of fossil fuels that humans are burning and releasing into the atmosphere. These gasses are keeping earths heat trapped, causing global warming/ climate change.