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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.
In the following table state how gymnosperms are adapted for living on land with respects to each of the following aspects Aspect Adaptation for living on land Alternation of Gener
Another balloon experiment Stretch a rubber balloon over the neck of a little bottle. Place it in the receiver jar and delete some of the air with the pump. What happens? How d
Objectives After studying this unit, you should be able to: 1. Categorise different radiations into ionising and no ionising types, 2. Explain the effects of radiations
Explain Nasal secretions and Cerumen Nasal secretions: These can destroy harmful organisms due to lysosomal activities. Cerumen (wax of ear): It traps and kills the bacteria
greatest refraction of light is caused through
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INTRODUCTION : In any science lab you work with chemicals, gases, electrical equipments, glassware, instruments etc. In case you are working in a biology laboratory handling the p
please give me some variable for making of hypothesis
What is Tongue? The tongue is a major organ. You will agree that the tongue precisely reflects the state of our digestive system. How? Well, you may have experienced that occas
Explain the Formation of sedimentary rocks? Lithification refers to the processes by which loose sediments are consolidated into new rock material. One of the most common forms
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