Answer:
9 + 10 = 19
Explanation:
So uh my brother pulls this stuff on me saying 9 + 10 = 21 because if you add 9 + 10 you get 19. Then you add 2 because you have 2 numbers. So 21. I don't know why people do this, it's funny but like, why.
I hope this helped!
Chemotherapy is not a treatment for mental health disorders
The fact that human aggression varies widely from culture to culture most strongly suggests that it is not instinctive behavior.
<h3>What is
instinctive behavior?</h3>
An instinctive behavior can be regarded as the action that can be found in an organism which is attributed to performed by all members of their species.
Theses behaviors are fixed action pattern (FAP) which do take place result of a specific stimulus.
It should be noted that Instinctive behaviors are innate abilities which could be from birth onward and are not learned behaviors, hence, The fact that human aggression varies widely from culture to culture most strongly suggests that it is not instinctive behavior.
Learn more about instinctive behavior on:
brainly.com/question/12101480
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