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In the inter-war years and after 1940, Hugh Dowding, Air Officer Commanding Fighter Command has received credit for the defence of British air space and the failure of the Luftwaffe to achieve air superiority. However, Dowding had spent so much effort preparing day fighter defences, there was little to prevent the Germans carrying out an alternative strategy by bombing at night. When the Luftwaffe struck at British cities for the first time on 7 September 1940, a number of civic and political leaders were worried by Dowding's apparent lack of reaction to the new crisis.

Who was the Air Officer Commanding Fighter Command after 1940?
Answer: Hugh Dowding
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Darwin proposes sexual selection, driven by competition between males for mates, to explain sexually dimorphic features such as lion manes, deer antlers, peacock tails, bird songs, and the bright plumage of some male birds. He analysed sexual selection more fully in The Descent of Man, and Selection in Relation to Sex (1871). Natural selection was expected to work very slowly in forming new species, but given the effectiveness of artificial selection, he could "see no limit to the amount of change, to the beauty and infinite complexity of the coadaptations between all organic beings, one with another and with their physical conditions of life, which may be effected in the long course of time by nature's power of selection". Using a tree diagram and calculations, he indicates the "divergence of character" from original species into new species and genera. He describes branches falling off as extinction occurred, while new branches formed in "the great Tree of life ... with its ever branching and beautiful ramifications".

What does Darwin say can explain diverse feature such as antlers on deer and bright feathers on certain male birds?
Answer: sexual selection, driven by competition between males for mates
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The Ningbo Organizing Committee of the Beijing Olympic torch relay announced that the relay, scheduled to take place in Ningbo during national morning, would be suspended for the duration of the mourning period. The route of the torch through the country was scaled down, and there was a minute of silence when the next leg started in city of Ruijin, Jiangxi on the Wednesday after the quake.

What was suspended for the duration of the mourning period?
Answer:
Olympic torch relay