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Mercury:
Mercury, the planet nearest to the Sun, has long remained a mysterious body. Because .of the Sun's glare, it is difficult to see it clearly all the mare so because it is very small.
Mercury appears for a brief time as a morning object in the eastern sky, rising just before sunrise. Then it can be briefly seen as an evening object in the western sky, setting just after sunset. Even through the largest telescopes in use today, Mercury appears less distinct than the Moon does to the naked eye. Photographs of the surface of Mercury show craters and wrinkles on it, separated by substantially large smooth areas. Mercury possesses no atmosphere. It has a temperature of almost + 427°C on the side facing the Sun to a low of almost-270°C on its dark side. It has no satefite.
Why are peaty and marshy soils highly acidic? The acidity is due to decomposition of organic matter under anaerobic conditions and formation of sulphuric acid.
Explain the Ventricular Fibrillation This is a fatal condition in which the heart beats like a bag of worms and the patient may die in a couple of hours, if the action is not t
Explain the Conditions for Ventricular Fibrillation Ventricular fibrillation may be seen in the following two conditions: 1) When a person is electrocuted, and 2) As a c
Holding water in a sieve Pour some oil over the wire mesh of a kitchen sieve and shake out the overload so that the holes are open. Cautiously pour water into the sieve from a
Explain the Functions of Glucocorticoids Cortisol, cortisone and hydrocortisone are the names given to the glucocorticoids. What is their function in our body? They play a majo
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Primary processing of Rice Rice is the staple food for the majority of the world's population and is cooked in boiling water and eaten mostly with cooked pulses, vegetables, f
j shaped plant curve
Explain the Kidney as an Endocrine Gland The kidney produces substances that can be described as hormones. Hormones are the chemicals produced by glands in the body and circula
DEtermine the properties of soil taxanomy The system of Soil Taxonomy is based on soil properties which in turn depend on soil genesis i.e., the way soil is formed. A number of
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