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Explain the term- lichens
The lichens are able to extract nutrients from the rocks . They are capable of retaining water for a long time during which chemical processes take place, e.g. alumino-silicates which are important components of rocks are converted to simple clay molecules by the process of hydrolysis and carbonation.
which is the heaviest matter in the world
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
what is the nature of zoology?
Q.What is the greenhouse effect? Some gases like carbon dioxide, methane, nitrous oxide prevent the escape of heat from the Earth's surface by trapping it. This increases the av
Nutrition is a relatively new science that evolved from disciplines such as Chemistry and Physiology. Thus, a student who intends to know and practice nutrition and dietetic
Water-mill in Golden era: The water-mills were also invented in the classical period. But they came to be widely used only in the Middle Ages. The wind-mills and water-mills
An experiment with a floating candle Put a nail in the lower end of a candle. The nail should be just the right weight to make the candle float with its top a little above the
THE HEART PUMPS BOODS EVERY MINUTE AND EVERY SECOND OF THE DAY WITHOUT RESTING
Making soil from rocks Search some soft rocks in your locality like as shale or weathered limestone. Bring them into the classroom and have the peoples crush and grind them up
#question.I AM TRAYING TO DO A SCIENCE PROJECT FOR 7TH GRADE BUT I DONT KNOW WHAT SHOULD I DO ?
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