The number indicating the intensity of an earthquake on a Richter scale range between

Tectonic plates are pieces of Earth's crust and uppermost mantle, together referred to as the lithosphere. These plates which float on and travel independently over the mantle and much of the earth's seismic activity occurs at the boundaries of these plates.

The seven major plates are the African plate, Antarctic plate, Eurasian plate, Indo-Australian plate, North American plate, Pacific plate and South American plate.

Volcanoes usually form along plate boundaries , where tectonic plates are either moving towards or away from one another. They may be convergent or divergent.

The Pacific Ocean is the largest and deepest of Earth's oceanic divisions. It extends from the Arctic Ocean in the north to the Southern Ocean in the south. We know that, Earth is made up of 70% of water and 30% of land. Pacific Ocean covers 1/3rd of the water on the Planet Earth.

The president is responsible for the executive branch of the government. The three branches of the government are :

1. Legislative

2. Executive

3. Judicial

Al Aziziyah, the hottest place on earth is located in Libya, in North Africa. On 13 September 1922, a high temperature of 58.0 °C was recorded in Al Aziziyah.

This is considered the highest temperature ever measured on Earth.