by admin | May 31, 2015 | sem1
Isometric Scale Isometric projection is drawn using Isometric scale, which converts true lengths into isometric lengths which are foreshortened. (“Edges of an object are foreshortened” means that “the edges are cause to appear as if...
by admin | May 31, 2015 | sem1
Principles of Isometric Projection What is Isometric Projection? Iso (in Greek) means equal; metric means to measure. Hence Isometric projection means a system of projection of equality of measure. Orthographic Projection of a cube: The principle involved in drawing...
by admin | May 31, 2015 | sem3
Biodiversity at global, national and local levels Global Level: Conservative estimates of the existing biodiversity is ten million species, but if estimates for insects are correct then it could be around 30 million species, we have till now enlisted about 1.4 million...
by admin | May 31, 2015 | sem3
aquatic ecosystems Marine ecosystems are among the Earth’s aquatic ecosystems. They include: oceans, estuaries and lagoons, mangroves and coral reefs, the deep sea and the sea floor. These are the gigantic reservoirs of water covering approximately 71% of the Earth’s...
by admin | May 31, 2015 | sem3
grassland ecosystem Grasslands (also called Greenswards) are areas where the vegetation is dominated by grasses and other herbaceous (non-woody) plants. Grasslands occupy about 24% of the earth’s surface. They occur in regions too dry for forests and too moist for...
by admin | May 31, 2015 | sem3
Air act The Air Act 1981: The Air (prevention and control of pollution) Act was enacted on 29 March 1981. This Act was made when “United Nation Conference on the Human Environment” held in June 1972 at Stockholm, Sweden asked all the member countries to take...
