The diagram below shows a single bacterial colony before and after treatment with an antibiotic. when a bacterial infection is treated with an antibiotic, the hope is that the antibiotic will kill all of the bacteria and prevent them from reproducing. however, if the full prescription of antibiotics is not taken by the sick person, some of the more resistant bacteria can survive. when they reproduce, these bacteria can pass the genes responsible for their resistance on to their offspring. as a result, subsequent administration of the same antibiotic will be less and less effective over time. the information presented above suggests that antibiotic resistance is the result of

The correct answer is natural selection.

given the fact that the question is about the detail that best support the idea that oppressive leaders use   propaganda to achieve thir goals,   the first option does not refer to any kind of propaganda, since it only tells about that the milk and the windfall apple should be reserved for the pigs. in the second option, that is, "snowball and napoleon sent out flights of pigeons whose instructions were to mingle with the animals on the neighbouring farms, tell them the story of the rebellion, and teach them the tune of "beasts of england". it can be identified that the oppressors make use of the propaganda, which is represented by the pigeons, and the information they have to tell other animals about what was happening in the farm in order to get their objectives. for that reason, the right answer is the second option, taking into account that the third option do not refer to propaganda since it only talks about that they did not want jones back. and, finally, the last option refers to the result of the given news, but it does not mean about the propaganda they used to achieve their goals.

the correct answer would b,   to show that she was very influential in the democratic party.