Quite simply, word of mouth and then deep faith in those that preached.
Humans do not contribute to the change of seasons
The sustainable development means water is use at a rate that won't reduce the amount casinos for future use.
Answer:

Explanation:
Given that,

We need to find the area of sector QRS. The formula for the area of a sector is given by :

QR = RS = r = 17 units
So,

So, the area of sector QRS is 
<span>highly developed and prosperous (novanet)</span>