Ans: waterfalls are most common where hanging valleys occur. Such valleys generally form when glacier ice deeply erodes a main or trunk valley, leaving tributary valleys literally hanging far above the main valley floor. After the glaciers have melted and withdrawn, streams from such tributary valleys must fall in order
Answer:
B
Explanation:
There are 7 billion people in the world and we approached that number in 2011.
Vegetation can be assumed to reduce overgrazing of grasslands if it is woody vegetation. Woody vegetation would act as a physical barrier to grazers. The roots of vegetation, including grassland, bind soil together, thereby preventing erosion.
Deforestation occurs in Haiti because of a lack of energy options in the country. Haitians cut down trees for burning or charcoal production.
Answer:
B
Explanation:
I'm 89% sure, so don't get mad when you're right
<span>The birthrate and the death rate were about equal.</span>
