Answer:
Wolves are animals who usually eat dead animals, so they clear the forests of dead corpses. When wolves were brought back to the park, they not only killed elk, but also changed their prey's behavior patterns. The herbivores started to avoid areas like valleys and gorges where they could be easily hunted by predators. Deer and elk populations increased substantially, resulting in overgrazing, particularly of willows and other vegetation important to soil and riverbank structure, leaving the landscape vulnerable to erosion. Without wolves, the entire ecosystem of the park suffered.
Answer:
Norway, Switzerland, Australia, Ireland and Germany topped the index, which ranks countries according to their progress in health, education and income. "We cannot talk of human development without taking into account 50 percent of the population," said Selim Jahan, lead author of the Human Development Report.
Middle colonies, Pennsylvania.
From the cooling of lava the feature of Magma should form
