Answer:
Dendrochronologists study tree rings to learn about past climates. Trees in temperate areas form one growth ring per year. Scientists can look at the rings and identify climate conditions during each year of the tree’s life. Scientists found long droughts in both the twelfth and thirteenth centuries. This is the same period when the Anasazi were leaving Chaco Canyon. Under normal conditions it was hard to support their villages in the harsh environment of northern New Mexico. When years of drought occurred, the densely populated Anasazi pueblos could no longer raise enough food. Other forces could have pushed the Anasazi away from Chaco as well.
Explanation:
to define what kinds of scientific study can be done in Antarctica
Answer:
Just over 500,00
Explanation:
This number is considerably high considering that the national average for number of inmates, parolees, and individuals on community supervision are around 4.5 Million people. So from 50 states, Texas held around 9-10% of the offenders.
The numbers above represents not only the convicts who are thrown in jail. Those who are under house arrest (with ankle monitor) and those who are forced to do community service as a form of punishment are also included.
<span> they began around 1,000 BCE and continued through about `yes`</span>
