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Yogita Ingle 7 years, 7 months ago
Hybridization is the crossing of dissimilar individuals to produce best of both organisms. It might be of interbreeding between individuals of different species (interspecific hybridization) or genetically divergent individuals from the same species (intraspecific hybridization). One advantage of hybridization is that it can combine disease resistance of one organism with the production capacity of another.
Crop yields increase dramatically when hybridization is used to exceed one or more of the parents in size and reproductive potential.
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All metals are ductile for example gold
And non metals are not ductile
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Coke: Coke is almost pure form of carbon, is tough, porous and black. Coke is used in manufacture of steel and extraction of many metals. While coke can be formed naturally, the commonly used form is synthetic. The form known as petroleum coke, or pet coke, is derived from oil refinery coker units or other cracking processes.
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Yogita Ingle 7 years, 7 months ago
1. Water runoff and rainfall intensity: This process begins when the raindrops break down the soil making it vulnerable to movement. The lighter soil aggregates like silt, fine sand, clay and organic matter are then easily carried away by the moving water.
2. The slope of the land: The topography of the land may also be a cause of soil erosion. Steeper areas experience a higher intensity of runoff due to the increased speed. Even heavier particles can easily be carried away by the moving water. This reason why hilly areas do face a more violent erosion compared to a flat land.
3. Soil texture: The fineness and the structure of soil particles may also prompt the occurrence of an erosion. The fine and loose soil structures can be easily carried away more than the large and firm soil.
4. Deforestation: When vegetation cover is destroyed, the land gets exposed to the agents of soil erosion. Trees act as barriers against many causes of soil erosion including raindrops and moving wind. Roots also serve in binding the soil together hence cannot be easily disintegrated and made available for the agents of erosion.
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