Ecological tipping points are the<span> points where environmental problems reach threshold level causing irreversible shifts in the behavior of natural systems. These are also called thresholds where the biodiversity changes.</span>
2 and 3. The Louisiana Purchase was conducted in 1803 between the United States and France. Finally, <span>The Treaty of Guadalupe Hidalgo in 1848 ended a dispute between the United States and Mexico, ceding the land of Texas to the United States. </span>
Answer: When Napoleon came to power, he essentially made peace with the Church. He signed a "Concordat" with the pope that reformed the relationship between the Church and France. In the Concordat, Napoleon allowed the Church to reorganize in France. The Church was allowed once again to operate in the country.
Answer: B. differentiation
Explanation:
the answer is 4
the Panhandle, North Texas, South Texas, and West Texas.