Answer:
<em>The</em><em> </em><em>reason</em><em> </em><em>is</em><em> </em><em>cause</em><em> </em><em>it</em><em> </em><em>which</em><em> </em><em>be</em><em> </em><em>snowing</em><em> </em><em>heavily</em><em> </em><em>there</em><em> </em><em>and</em><em> </em><em>cone</em><em> </em><em>shape</em><em> </em><em>helps</em><em> </em><em>in</em><em> </em><em>sliding</em><em> </em><em>the</em><em> </em><em>snow</em><em> </em><em>off</em><em> </em><em>the</em><em> </em><em>tree</em>
All of the ancient civilizations were close to a major water source.
All of them practiced agriculture in order to provide enough food for their civilization.
All of them had some sort of irrigaiton in place in order to water down he fields.
All of them lived in socially stratified societies where a ruler was present.
It was invented by the ancient egyptians who began growing plant in containers
