Answer:
The Incas had to create flat land to farm since they lived in the mountains. They did this by creating terraces. Terraces were carved steps of land in the mountainside.
Explanation:
The rate of natural increase refers to the difference between the number of live births and the number of deaths occurring in a year, divided by the mid-year population of that year, multiplied by a factor (usually 1,000). It is equal to the difference between the crude birth rate and the crude death rate.
1. A- the economy faced serious challenges
2. B- Modernized
There is a device called a thermometer for that...
