3 parts of 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..

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, presently called the solar system. A pa..

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, presently called the solar system. A part..

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 accidental shock. Suppose due to some defect, th..

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 accidental shock. Suppose due to some defect, the insu..

All the carbonates of alkali metals are quite stable towards heat except Li 2 CO 3 , which decomposes easily on heating. The instability of Li 2 CO 3 is due to the small size of lithium ion, which cannot stabilize the bigger carbonate ion. The carbonates of alkaline Earth..

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..

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