D: by trying out policies that might later affect the entire nation
Answer:
Greece
they developed many things from the Greek including religion
<span>Although it is popularly believed that the German army was the first to use gas it was in fact initially deployed by the French. In the first month of the war, August 1914, they fired tear-gas grenades against the Germans. </span>
Explanation:
Speed, being a scalar quantity, is the rate at which an object covers distance.
The average speed is the distance (a scalar quantity) per time ratio. ...
On the other hand, velocity is a vector quantity; it is direction-aware.
Velocity is the rate at which the position changes.
