Answer:
Our solar system formed about 4.5 billion years ago from a dense cloud of interstellar gas and dust. The cloud collapsed, possibly due to the shockwave of a nearby exploding star, called a supernova. When this dust cloud collapsed, it formed a solar nebula—a spinning, swirling disk of material.
Explanation:
The most traditional is a lion.
If you have read Harry Potter, you will know that Gryffindor is the house of the brave, and their mascot is a lion.
Both went to Columbuia Ohio
Answer:
The accumulation of food surpluses.
Explanation:
According to a different source, these are the options that come with this question:
<em>The accumulation of food surpluses.</em>
<em>The invention of the wheel.</em>
<em>The development of coins.</em>
<em>The advent of warfare.</em>
The accumulation of food surpluses was the main reason why ancient civilizations became urban and organized. As agriculture developed and became more systematic, people began to enjoy a stable source of food. This was a great advantage as it allowed people to have time to spend on other matters. This free time led to the development of artisans, merchants, the aristocracy, and other social classes. Moreover, as food surpluses continued, populations became larger, which led to the creation of larger and better organized urban centers.