The Earth is the result of the two moons colliding with each other and the one stayed afloat and balancing the tidal waves of the sea. Every planet in the solar system have weathers and this weather shapes the planets crust making it suitable or even sustainable to humans. The type of weather depends on where the country is located in the world, in the higher regions such as Artartica, the weather is cold almost the whole year, as compared to SouthEast Asia which is center and near the equator created the hot and rainy weather.
