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Edaphic Factors
The word soil is derived from the Latin word solum meaning earthy material in which plants grow. The science which deals with the study of soil is called Soil Science, Pedology (pedos = earth) or edaphology (edaphos = soil..
What is an Acid?
The word 'acid' is derived from a Latin word, which means "sour". The sour taste of most of the fruits and vegetables is due to various types of acids present in them. The digestive fluids of most of the animals and humans also contain acid..
Electric Charge
The word 'electric' is derived from the Greek word 'elektron' meaning amber. The existence of charges were known when charged particles were produced by rubbing (due to friction) of suitable materials. These facts are demonstrated by simple experiment..
Physics IV
Electric Charges and Field - The word 'electric' is derived from the Greek word 'elektron' meaning amber. The existence of charges were known when charged particles were produced by rubbing (due to friction) of suitable materials. These facts are demonstrated by simple..
Question 15
Question: The type of energy possessed by a simple pendulum, when it is at the mean position is 1. kinetic energy 2. potential energy 3. potential energy + kinetic energy 4. sound energy Answer: ..
Examples of Binary Systems in Nature
A binary system is one in which two heavenly bodies revolve about a common centre of mass. (The word binary means two..
Question 2
Question: What is homeostasis? Answer: Homeostasis comes from two words - 'homeo' meaning same and 'stasis' meaning steady state within the bod..
Lines Angles and Triangles Introduction
Introduction - The word 'geometry' is derived from the Greek words 'geo' meaning 'earth' and 'metron', meaning 'measuring'. Geometry originated when man felt the need to measure his land. Ancient Egyptians were perhaps the first people to study geometry. Late..
History
In the beginning of the 17 t h century, scientists started realising that some form of matter can exist in a form that is similar to air. The Belgian Chemist Jan Baptista van Helmont coined the word Gas by altering the Greek word "Chaos" which means "Space". Th..
Question 7
Question: How many three letter words (with or without meaning) can be formed out of the letters of the word LOGARITHMS if repetition of letters is not allowed? Answer: Number of letters in the word LOGARITHMS is 10. The three letter words..
Question: How many three letter words (with or without meaning) can be formed out of the letters of the word LOGARITHMS if repetition of letters is not allowed? Answer: Number of letters in the word LOGARITHMS is 10. The three letter words..See what our Users say :
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