Geography

This lecture introduce on Coastal Environments: Sand Dune Systems. In this presentation, explain a little about their formation. This needs to be understood in order to understand…

The offshore zone lies below fair weather wave base and is therefore unaffected by normal waves. The offshore zone normally only receives fine sediment that settles…

Major purpose of this lecture is to present on Coasts and Reefs: Shallow Marine Processes. A beach is part of a coastal system, which includes several zones…

The aim of this lecture is to present on Coastal Erosion. Coastal Erosion occur when a wave impacts a cliff face, air is forced into cracks under…

Prime purpose of this lecture is to present on How do Clouds Form? Clouds Forms when water vapor in the air becomes liquid water or ice crystals.…

Basic purpose of this lecture is to present on changes in the Central Business District. A Central Business District is the commercial and business centre of…

Principle objective of this lecture is to present on Bonners Ferry. In mid-October of 1998, a section of hillside north of Bonners Ferry, Idaho, moved in response…

Major objective of this lecture is to present on Animal Uses for Food. Meat is a source of protein. One of the five essential nutrients. This lecture briefly…

This lecture introduce on Livestock Animals. Livestock farming is the rearing of animals for food and for other human uses. The word ‘Livestock’ applies primarily to cattle…

The aim of this lecture is to present on Domestication. Domestication is the process of adapting wild plants and animals for human use. A tame animal is an animal which…

Prime objective of this lecture is to present on Animal Science. Here briefly describe on Triassic and Jurassic periods 180-135 million years ago. 1st there were only dinosaurs,…

Basic objective of this lecture is to present on Atmosphere: Surrounding Air of the Earth. Earth’s atmosphere can be divided into five main layers. Excluding the exosphere,…