I'm no sure but I think this a factor of evaluation, so an evolutionary explanation?
To get a female pregnant to reproduce and make children <span />
<span>Actually these are the best examples of stage phobias and social phobias, which means that the person will most of the time thinking about what others think and say about his or her actions on stage or publicly, which is one of the psychological and mind related problems which can be overcomed in some ways for sure.</span>
Answer:
600000000
Explanation:
How many number is on top of the 10 how many 0s