Demi Lovato reveals why they they find Father’s Day ‘so difficult’
'Cool for the Summer' hitmaker Demi Lovato has confessed that Father's Day is "so difficult".
。巨大的撞击：地球失去了60％的大气层
Source: Promiboom NL (Glomex)
科学家得出一个特殊发现：地球曾经不得不放弃其富氧大气层的60％。这可能与月亮形成时发生的碰撞相同。
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