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The electron density of a polar bond accumulates towards one end of the bond, causing that end to carry a slight negative charge and the other end a slight positive charge. Likewise molecules in which there is an accumulation of electron density at one end of the molecule, giving that end a partial negative charge and the other a partial positive charge, are called polar molecules.
It measures the total rate at which photosynthesis or chemosynthesis happens in a system.
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In technical term, application of fertilizer(s) to soil before sowing of seeds or planting of seedlings is called basal application. Subsequent application of fertilizers to the crops is called topdressing.
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Associative learning may be defined as a type of learning in which the new response gets easily associated with the stimulus. Except habituation learning all simple learning procedure are included in this learning.
In the associative learning, reactions of an individual are based on there spank. George learns to cry on being spanked this is because this stimulus of sister cries gives response. Crying do not show any effect on ken because he does not know about his sister crying.
