Biology, 27.02.2020 00:18 skybrinson04

The principle that, to be perceived as different, two stimuli must differ by a constant minimum percentage, rather than a constant amount, is called law.

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Answer from: leelee85503

Weber's Law

Explanation:

Weber's law, also called Weber-Fechner law, generally significant mental law measuring the impression of progress in a given upgrade. The law expresses that the adjustment in an upgrade that will be simply observable is a consistent proportion of the first improvement. It has been indicated not to hold for boundaries of incitement. The law was initially hypothesized to depict looks into on weight lifting by the German physiologist Ernst Heinrich Weber in 1834 and was later applied to the estimation of sensation by Weber's understudy Gustav Theodor Fechner, who proceeded to create from the law the study of psychophysics. By expressing a connection between the otherworldly and physical universes, the law showed to Fechner that there is extremely just a single world, the profound. To other people, the law implied the chance of a logical, quantitative brain science. The consolidated work of Weber and Fechner has been valuable, particularly in hearing and vision explore, and has affected demeanor scaling and other testing and hypothetical improvements.

Answer from: Quest

the dna molecules have a negative charge because of the phosphate groups in their sugar-phosphate backbone, so they start moving through the matrix of the gel towards the positive pole. power is turned on and dna fragments migrate through gel (towards the positive electrode).

explanation:

Answer from: Quest

estuaries are the partially enclosed coastal bodies of brackish water formed at the mouth of sea where river meets an ocean. it is a transition zone between river and sea water so estuaries are influenced to both marine environment such as tides, waves and to riverine such as flow of fresh water and sediments. the mixing of sea and fresh water provide high level of nutrients, making estuaries a high product habitats.

many estuaries suffers degradation from a variety of human activities like erosion from deforestation, overgrazing, overfishing, drainage and eutrophication.

so from the above statement answers will be

1. false as estuaries are formed due to both brackish and freshwater.

2.true, due to high productivity estuaries are breeding ground for many marine species.

3. direct and indirect activities of man that contribute to pollution and deposition of sediments.

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