Use of zero as a placeholder
Numeric decimal system
Observing the earth to be round due to shadows
Concluding the earth spins on an axis
Answer:
Explanation:
Given
Time Period 
Position Vector 
Since it is moving in a circular path therefore magnitude of position vector will give the radius of circular path
this velocity is at angle of 
velocity 
Therefore unit velocity vector
I believe it called <span>clinical psychology
</span><span>clinical psychology is aimed to help patients in their personal development by helping them understand what actually cause them distress and help them alter their perception.
</span>By doing this, the patients would be able to make an appropriate response when facing similar circumstances in the future.
Key economic, political and social characteristics of the new england colonies. 2. ALL THE NEW ENGLAND COLONIES/FOUNDING New Hampshire, Massachusetts, Rhode Island, and Connecticut were all founded for different reasons. New Hampshire was founded by proprietors for trading and fishing.
