It would cause a massive earthquakes
<span>When it comes to helping others, humans help both kin and non-kin, while other animals tend to help kin only. The answer is letter A. Humans, male and female are of the same species and therefore, it is natural for them to help each other. Unlike for animals, they only help their own kin, this is mainly due to their protectiveness against predators.
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Spices, religions, ideologies, food, animals. Basically everything. Even diseases. But most importantly, knowledge.