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Definition of a rock and the difference between a rock and a mineral ?
A rock is a mixture of one or more minerals. There are many kinds of rocks, and we will learn about them in following lessons. At this point, it is sufficient to know that a rock is a very general term that applies to most any hard, naturally occurring mineral deposit found at the surface of our planet. Rocks are usually a mixture of minerals, either melted or compressed together by forces within the Earth.
A common and excellent example of a typical rock is granite. Granite is a mixture of silica and feldspar minerals. You can easily see, with the naked eye, the different mineral deposits that make up this rock. A picture of granite is available in the multimedia enhancement of this lesson.
Method of science: We have seen above that science is an enaeavour to understand nature and to mould it to satisfy human needs. In earlier units we have seen that, in this pr
The difference between hard and soft water Collect some hard water from a stream(or make some as defined in the next experiment). Also secure some soft water like as rain wate
Heterospermy
Can I get some interesting facts about electromagnetic waves?
Describe the process of gas capture that helped to build the Jovian planets?
Ultraviolet Radiations : The ultraviolet (UV) light has higher energy than visible light. Hydrogen lamps, deuterium lamps and other sources of ultra-violet are used for a variety
Compute for 3 H the mean energy per nuclear disintegration, Δ. The SI unit for Δ is kg Gy Bq -1 s -1 identical with J Bq -1 S -1 . The effective half-life for tritium in body w
Pantothenic acid (vitamin B5) Pantothenic acid, also known as vitamin B5, is essential to all forms of life. Pure pantothenic acid was first isolated as its calcium salt
Explain the Gonadotropic Hormones (GTH): There are two gonadotropic hormones which regulate gonadal functions. They are follicle stimulating hormone (FSH) and luteinizing hormo
what is sorter''s disease
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