It was composed of hydrogen and helium produced in the Big Bang, as well as heavier elements produced by stars long gone.

The dust started to join up to create grains of matter, this is known as accretion.

While the dust joined and the meteorites crushed in the earth, the earth and the gravity started to increase size. There were formed metals, among them, nickel and iron (the heaviest) were atracted by the gravity to the center of the earth and created what today is know as "the core". created Earth layers

The scientifics think that the water comes from some ancient meteorites which collided with our planet. But oceans were at first gas and after the planet cooled to extreme temperatures, the water condensed.

The motion that tectonic plates reasons anxiety on earth's crust. When the tension is very large it produces a fissure. Which are called “faults”. If tectonic plates move, faults too. We name an earthquake a sudden movement of Earth’s crust at a fault line.

2. Similar fossils have been found in continents that are today separated by oceans. An example of this is North America and Europe have identical fossils of the Mesosaurus on the southern hemisphere of both continents.

3. Seafloor spreading from molten rock from beneath the Earth forming new crust between plates. This causes the seafloor to grow wider and pushing the continents apart.

4.The occurrence of earthquakes, tsunamis, and oceanic trenches are formed from plates moving past, towards, and away from each other.