Answer
D.Experimental bias
Explanations
Experimental bias occurs when a scientist performing a research influence the results in order to portray a certain outcome.In this case,Ron unintentionally smiled when then subject was showing to act as expected.In doing so,"smiling" the subject was able to identify the correct answer.
Um dos principais símbolos associados ao manguebeat é uma antena presa na lama recebendo sinais de todo o mundo. O movimento manguebeat é um movimento cultural criado por volta de 1991 na cidade de Recife, no Nordeste do Brasil, em reação à estagnação cultural e econômica da cidade.
Answer:From Wikipedia, the free encyclopedia
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Rain, Steam and Speed –
The Great Western Railway
Artist
J.M.W. Turner
Year
1844
Medium
oil on canvas
Dimensions
91 cm × 121.8 cm (36 in × 48.0 in)
Location
National Gallery, London
Rain, Steam and Speed – The Great Western Railway is an oil painting by the 19th-century British painter J. M. W. Turner.[1]
The painting was first exhibited at the Royal Academy in 1844, though it may have been painted earlier.[i] It is now in the collection of the National Gallery, London.
The Great Western Railway (GWR) was one of a number of private British railway companies created to develop the new means of transport. The location of the painting is widely accepted as Maidenhead Railway Bridge, across the River Thames between Taplow and Maidenhead. The view is looking east towards London. The bridge was designed by Isambard Kingdom Brunel and completed in 1838. A hare runs along the track in the bottom right of the painting, possibly symbolising speed itself.[2] Some think this is a reference to the limits of technology.[3] Others believe the animal is running in fear of the new machinery and Turner meant to hint at the danger of man's new technology destroying the inherent sublime elements of nature.[4]
Explanation:
https://en.wikipedia.org/wiki/Rain,_Steam_and_Speed_%E2%80%93_The_Great_Western_Railway
