Answer:
Humans were nomads. Their wandering was mainly in search of food and shelter. When they found that certain places had an abundance of food – plant food or animals for hunting, they stayed on. They observed the plants, their growth and when these food sources diminished, they grew plants themselves, from the seeds they collected. This is how agriculture came about.
When humans stopped their nomadic ways and stayed together, it paved the way for formation of the human social structure. Hierarchies were established in due course.
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Some of the earliest forms of customer service is goods and services would come to you. Peddlers went to houses, doctors did hours calls...etc
Answer:
The cost of 9 line ad is #52
Explanation:
Given
--- 
--- 
Required
The cost of a 9 line ad
This means that:

To calculate the cost, we make use of:
--- 
Because 
So, we have:





Cool that nice for anyone who wants to join, but if i join i wont be active bc im doing hw everytime