Answer:
45 girls
Explanation:
60/4=15. girls 15+15+15=45 boys are 15
Explanation:
Rates of liver cirrhosis, alcoholic psychosis, and infant mortality also declined. Prohibition's effect on rates of crime and violence is disputed. Despite this, it lost supporters every year it was in action, and lowered government tax revenues at a critical time before and during the Great Depression
It would be the development in agricultural knowledge/technology
Development in agriculture enable hunter/gatherer society to shift their behavior. Before this, they had to keep moving from one place to another in order to seek food to live.
After the development in agricultural knowledge/technology, the society now can stay in one exact place for a long period of time and relied on agricultural product as their main source food.
After living in one same place for a long time, the needs to build things to accommodate their living start to arise. They start to built several things and repeat the process every year. In the end, large cities were developed from the initially small hunter/gatherer society.
