<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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Answer:
energy sources take many forms, including nuclear energy, fossil energy -- like oil, coal and natural gas -- and renewable sources like wind, solar, geothermal and Hydro power. Energy is essential to life and all living organisms. The sun, directly or indirectly, is the source of all the energy available on Earth
Explanation:
When the fourth caliph was murdered by other muslims causing a great disturbance. Some people wanted Ali as the caliph when others wanted someone else.When Ali was murdered the groups split eventually being caleled Sunni and Shi'a.
Archaeology is the study of caves and Anthropology is the study of rocks and gems.