What did fertile soil mostly contribute to the Mesopotamians' trade with other civilizations? a surplus of food an abundance of trees materials for crafted goods supply of building materials

Ithink the answer is baby boomers ?

You can drink laxative, or  do this exercise when you are sitting in the bathroom on the toilet. to relieve  constipation  fast or in about 1 minute, pinch your nose after your usual exhalation. start holding your breath. but do not mouth breath during this just hold your breath. 

There would be 12 chromosomes found in that organism's body cells. i know this because the # of chromosomes is half the number of body cells.