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:
Answer:
D: voting in a Presidential election.
Explanation:
Registering with the selective service is an obligation, and while volunteering at a community food bank and being involved in issues on college campus is great, voting in a presidential election is a responsibility of citizens in a democracy, as by participating in a democracy you strengthen it. Democracies are systems of governments where the officials are elected by the people.
The three men that represented the federalists in the ratification battle were James Madison, John Jay and Alexander Hamilton
Explanation:
Smith states, explicitly and repeatedly, that the true measure of a nation's wealth is not the size of its king's treasury or the holdings of an affluent few but rather the wages of “the laboring poor.”