Answer:
The Tigris and Euphrates rivers made it possible to grow wheat on the arid Mesopotamian plains, but the dry climate eventually defeated human engineering. Irrigation brought water to fields faster than it could drain out. As salt-rich groundwater rose and surface water evaporated, mineral salts built up in the soils. Farmers switched to more salt-tolerant grains like barley, but the harder they farmed, the less they harvested. After about 2,000 years, the once-fertile land of southern Mesopotamia was barren.
Explanation:
The answer is <span>positivity effect
As people grow older, people will have more experience that would influence the principles that we have in our life.
This will make us tend to seek positive meaning in our life rather than simple hedonistic things in order to get satisfaction.</span>
Answer:
an intense build up of gas and pressure
<span>The UK's currency is the pound sterling (£ / GBP). </span>
Answer:
Global poverty is defined as the number of people worldwide who live on less than $1.90 a day. A person surviving on less than $1.90 a day lives in extreme poverty, as defined by the World Bank.
