The main reason that family and friends are frequent targets of aggression is they are very well known by these people. A lot of people will describe their feelings to anyone they are close to. The only problem with this is that when certain people get mad or upset they could turn on you when you least expect it. So, only tell the people you trust the deepest your problems and these chances of aggression will decrease
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a) Malaria
Answer: Earth spins on its axis
hope this helps (:
Commensalism is when one organism benefits off the other one without harming it. Examples are tree frogs that use plants for protection or jackals that have been expelled from packs trailing tigers and feeding on the remains of its kill. Barnacles on whales get shelter by attaching to a whales body