Answer:
In a federal system there is no centralized authority, while in a confederal system power is distributed equally among the states.
Explanation:
The Federal government is a type of government in which sovereign power rests with the central government, while in a confederal government political power rests with individual states and very little with the central government.
Answer: Potassium-argon dating
Explanation:
Russia
con 6.6 million de personas
Incomplete question. The Options read;
a) Is about one-hundred-million years old.
b) Is 4.6 billion years old.
c) Has been here forever.
d) Is less than about one-hundred-million years old.
e) Is more than about one-hundred-million years old.
Answer:
e) Is more than about one-hundred-million years old.
Explanation:
<em>Remember, </em>we are talking about the information available some two to three hundred years ago when there was no modern geological equipment for radioactive elements tracing.
Hence, using uniformitarian calculations from the thickness of known sedimentary rocks, <u>the geologists concluded that the Earth must be more than about one-hundred-million years old.</u> However, modern researchers today have concluded the Earth to be <u>not </u>millions but billions of years old.
