Answer:
The democracy in Athens has been considered one of the first ones to be established around the world.
Explanation:
The democratic model was based on the indirect democracy in which the representatives weren´t selected to be voted. Instead, the population took place on the executive and legislative powers personally. Participation was universal and economic status was not taken into consideration. This model had a contribution during 400 B.C. by Cleisthenes who is considered to be responsible of the creation of the institutions that take place in this type of democracy.
Our best estimate for the age of the universe is based on what we currently know about the universe's history is 13.772 billion years.
<h3>How to calculate the age of the universe?</h3>
There are two methods by which the scientists calculate the age of the universe:
By searching for the oldest stars
By calculating the rate of expansion of the universe and generalizing back to the Big Bang Theory.
Thus, Our best estimate for the age of the universe is 13.772 billion years.
Learn more about the age of the universe
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Answer:
there is no sun
Explanation:
plants and organisms need the sun to produce there food.
