Answer:
To meet this energetic challenge, hummingbirds save enough energy to survive cold nights by lowering their internal thermostat at night, becoming hypothermic.
Explanation:
Answer:
The Development of Monopolies
Explanation: In a completely free market, there exists no regulation limiting the development of monopolies. The rise of a monopoly drastically decreases market competition and causes the price of goods to no longer accurately reflect supply and demand.
The area near Somalia. Because of desertification, 250 thousand people have died in that area.