what are the three parts of the earth

The earth is a huge sphere. The surface of which is made up of rock, soil and water. It is surrounded by air. The planet earth is only a tiny part of the universe, but it is the home of human beings and many other living things. Animals and plants live almost everywher..

The Earth as a Magnet - About AD1600, William Gilbert, who was a court physician of Queen Elizabeth of England, performed certain experiments using spherical lodestones. When he placed small, pivoted magnetic needles at different positions on this sphere, he found that their behavior was ..

Fig: 10.1 - Earth structure according to (a) Goldschmidt (b) Kuhn and Rittman Layer Elements present Metallic core (Siderophil) Mn, Fe, Co, Ni, Cu, Ru, Rh, Pd, Ag, Re, Os, Ir, Pt, Au Sulphide layer (Chalcophil) P, S, Zn, Ga, Ge, As, Se, Cd, In, Sn, Sb, Te, Hg, Tl, Pb, Bi Silicate layer (L..

Earth is the only planet in our solar system, which is surrounded by oxygen, the life giving gas. It is the only planet to have large quantities of water. Earth's atmosphere contains oxygen, nitrogen, carbon dioxide and water vapour. Earth Earth is a medium s..

Earth as a Source of Elements - Most elements are formed due to fusion of simple nuclei to give heavier nuclei i.e., nucleosynthesis or nuclear fusion reactions taking place in the stars. Atoms of these elements began to fall together about six billion years ago to form a system, presentl..

Green house gases in the atmosphere behave much like the glass panes in a green house. Green houses are like small glass houses whose transparent glass roof and walls allow sunrays to pass through. It keeps the heat from escaping, thus allowing vegetables and flowers to grow even in cold weather. ..

Earthing of an Electric Appliance - Usually an electric appliance such as a heater, an iron, etc. are fitted with all the 3 wires namely live, neutral and earth. The earth wire is connected to the metallic body of the appliance. This is done to avoid accident..

Step 1: By method of completing squares Step 2: Use standard and integrals and evaluate Step 1: put px + q = L (2ax + b) + M and determine L and M. Step 3: Second integral on the right hand side can be evaluated by method of completing squar..

How many parts is the rectangle divided into? Are all the parts equal? => 2 unequal parts or 3 equal parts or 2 equal parts or 3 unequal parts..

How many parts is the rectangle divided into? Are all the parts equal? => 3 unequal parts or 3 equal parts or 4 unequal parts or 4 equal parts..