Why did the silurian period end? what changed?

Bringing the tradition of carnival to brazil

Nswer it was a class that admired the western culture

Where are the colloms

It's probably because the earth is actually tilted and is not straight when orbiting the sun. that's why when it's winter here, it's summer in the southern hemisphere. in the wintertime in the northern hemisphere, it's colder here because it's tilted away from the sun and the southern hemisphere is tilted closer to the sun (i believe this is the case anyways)