Geography

This lecture introduce on Tectonic Plates. Today plate boundaries are determined by examining the location of volcanoes and earthquakes. Volcanoes result from the friction (heat) of the plates motion. Earthquakes occur…

Main objective of this lecture is to present on Earthquakes. Earthquakes are a result of motion within the earth. This only occurs where the earth is solid and…

Volcanoes are the result of hot spots within the crust or mantle of the earth. The hot, liquid rock will break through weak spots in the…

Major purpose of this lecture is to present on Plate Tectonics. Plate tectonics is the theory that Earth’s outer shell is divided into several plates that glide…

Major purpose of this lecture is to present on Earth Materials – Geology Plate Tectonics. Evidence of Plate Tectonic plates: Same fossils and rocks found in different parts of…

Prime objective of this lecture is to present on Examples of Earth Resources. The natural resources of the Earth can provide us with everything we need to…

The aim of this lecture is to present on Resources of Our Earth. A resource is something that we can get from the earth over and over…

Basic purpose of this lecture is to present on Wind Direction of Ocean. A wind blowing for 10 hours across the ocean will cause the surface waters…

Principle objective of this lecture is to present on Ocean Currents. There are two type of Ocean Currents: Surface Currents-Surface Circulation. These waters make up about 10% of all…

Major objective of this lecture is to present on Oceans. Oceans is a very large expanse of sea, in particular each of the main areas into which the…

Prime objective of this lecture is to present on Climate of North America. North America, extending to within 10° of latitude of both the equator and the…

Manganese is mainly used in the manufacturing of steel and ferro-manganese alloy, bleaching powder, insecticides and paints. Orissa is the largest producer of manganese ores in…