what is the difference between early earth and modern earth
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Answer:
Formation of the Earth's Atmosphere. The early Earth was very different from our Earth today. The early Earth experienced frequent impacts from asteroids and meteorites and had much more frequent volcanic eruptions. There was no life on Earth for the first billion years because the atmosphere was not suitable for life.
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The difference between Earth & Modern Earth is:
Explanation:
- The early Earth was not at all like the Earth we know today. Asteroids and meteorites struck the early Earth often, and volcanic eruptions were far more common. For the first billion years, there was no life on Earth because the atmosphere was unsuitable for life.
- The earliest atmosphere of the Earth had a lot of water vapor but nearly no oxygen. Later, regular volcanic eruptions released a variety of gases into the atmosphere. These gases created a new type of atmosphere on Earth. Volcanic eruptions blasted nitrogen, carbon dioxide, hydrogen, and water vapor into the atmosphere, but no free oxygen.
- Modern Earth: Other changes have occurred since the Earth's formation in addition to changes in life and the environment. Large volumes of water vapor were discharged into the atmosphere by early volcanic eruptions on Earth. The water vapor slowly condensed and fell as rain on the Earth's surface.
- The oceans were created as a result of this. Water began to cycle on Earth, and weathering and erosion began to modify the Earth's surface as a result of events such as rainfall and storms. The chapter on Earth's Fresh Water goes into greater depth about how water cycles on the planet.
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