WebJul 10, 2024 · Between 3.8 and 4.2 billion years ago, oceans formed. While there is an excellent body of evidence to suggest this timetable, the evidence for exactly how it happened is less conclusive. WebFeb 1, 2024 · According to this theory, the ocean formed from the escape of water vapor and other gases from the molten rocks of the Earth to the atmosphere surrounding the cooling planet. After the Earth's surface had cooled to a temperature below the boiling point of water, rain began to fall—and continued to fall for centuries. As the water drained into ...
How were the earth
WebJan 20, 2024 · According to this theory, the ocean formed from the escape of water vapor and other gases from the molten rocks of the Earth to the atmosphere surrounding the cooling planet. After the Earth's surface had cooled to a temperature below the boiling point of water, rain began to fall—and continued to fall for centuries. As the water drained into ... WebJun 28, 2024 · The original dust and rocks included minerals that had water in them. The Earth, as it formed, became very hot. It melted and there were lots of volcanoes. The water in the rocks formed steam and came out of the volcanoes as giant clouds that cooled and rained. That is where some of the water came from. Also, the original cloud of dust and ... susan pfeifer in castro valley
Pangea - WorldAtlas
WebOur oceans were formed from water that came to Earth at both times. Lesson Summary. About 97% of the water on Earth is in the oceans, but scientists can't agree about how it got there! Webtaking place. Compression and heating over millions of years turned the wood into coal. Crude oil and natural gas were formed from simple plants and tiny animals which were living in oceans and lakes. WebThe first oceans formed from the breakup, some 180 million years ago, were the central Atlantic Ocean between northwestern Africa and North America and the southwestern Indian Ocean between Africa and Antarctica. The South Atlantic Ocean opened about 140 million years ago as Africa separated from South America. susan petersen facebook