• Animal dung can be used as a fertilizer 
• goats and sheep were first animals to be domesticated 
• the best animals that you can domesticate after 1 to 2 years  

zebra's can not be domesticated

14 animals can only be domesticated
goats
sheep
pigs
cows
horse
donkey
bacteran camels
arabian camals water bufflo
llamas - south america
reindeer
yaks
mithans
bali cattles

the fertile people were geographically blessed
its very expensive to make a plaster house
making plaster from rhinestone was a new breakthrough