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A carbon footprint is the total amount of greenhouse gases (including carbon dioxide and methane) that are generated by our actions. The average carbon footprint for a person in the United States is 16 tons, one of the highest rates in the world.
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Regeneration is a term which is used in relation to reproduction. Which means producing its own kind likewise regeneration is the ability of some organisms to give rise to new organisms when the individual is cut or broken up into many pieces, it is seen in multicellular organisms e.g Hydra and Planaria.
Regeneration in multicellular organism like Hydra
- It is carried out by specialised cells.
- When Hydra is cut or broken up into many piecs these specialised cells proliferate and make large number of cells.
- From the mass of cells, differentiation occurs developing various cell types and tissues.
- These changes take place in an organised sequence which lead to development of new individual
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Human reproduction is any form of sexual reproduction resulting in human fertlization, typically involving sexual intercourse between a man and a woman. During sexual intercourse, the interaction between the and female reproductive system results in fertilization of the woman's ovum by the man's sperm.
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Hybridization refers to the crossing between genetically dissimilar plants. In this method, the two crop varities are selected, each with at least one of desired characteristics such as high-yield or resistance to disease.
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Soaps are sodium or potassium salts of long chain fatty acids. The action of a soap is based on the presence of both hydrophilic and hydrophobic groups in a soap molecule. This action emulsifies the oily dirt and helps in its removal.
The two ends of a soap molecule have different properties. When soap is added to water, the ionic, hydrophilic end of soap molecule dissolves in water. The hydrocarbon chain of soap molecule is hydrophobic and it dissolves in hydrocarbons i.e. links with oily dirt. The hydrocarbon chain of soap molecule orients towards the oil droplet while the ionic end orients towards water (polar solvent). This is how, soap molecules form structures called micelles where the oily dirt is collected in the centre. Thus, soap micelles help in dissolving dirt in water. Micelles stay in solution as colloids and the dirt suspended in the micelles is easily rinsed away.
Micelle formation will not take place in a solvent like ethanol because ethanol will dissolve the hydrocarbon chain of a soap molecule also.
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As spores are composed of thick walls, hence can easily sustain harsh conditions and prevent dehydration of cells. Reproduction via spore formation is quick, and many organisms germinate at once, hence this leads to a substantial increase and survival of species population.
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Preeti Dabral 3 years, 3 months ago
A fuse that has a lower rating would result in a problem as one may need to frequently change it. A fuse that has a higher rating would not melt at higher currents too . this may lead to damage to the appliance. Therefore, the fuse should be replaced with that of an identical rating.
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