Answer:
Option D
Fish
Explanation:
The characteristics of index fossil is distinctive, widespread, abundant, and limited in geologic time. Ammonites fit these demands well and are the best-known fossils that have been widely used for this.
Thus, The answer is Fish
More carbon dioxide is stored in the ocean water, making it more acidic, which is dangerous for most corals and many animals with small niches
Answer: World War II.
Explanation:
By pursuing economic reforms to solve the financial crisis, Roosevelt introduced an economic reform package called the New Deal. These reforms partially addressed the problems of the economic crisis. However, this set of economic reforms has not thoroughly solved the accumulated problems. The crisis ceased at the beginning of the Second World War because, in this way, absolutely every segment of life changed. So the end of the economic crisis began at the beginning of World War II.
Answer:
384,400 km
Radius: 1,737
Prior to the existence of the nation-state, Europe was comprised of several multi ethnic empires, the largest and most powerful of which was the Holy Roman Empire. Territory changed hands often. Many times, this took place because of marriage or as a result of war.