In Langston Hughes's poem " I dream a world." The repetition of the word "dream" emphasizes the fact that equality is a desired but seemingly unattainable goal.
In his poem, Hughes dreams of a world where with other men, a man lives harmoniously and happily and that no one look down upon anyone. Further, he states that his dream world insists upon peace and love. Such statement by Hughes and repetition of "I dream a world" insist that the current reality is not same rather men look down upon another man upon their skin color. In his real world, only certain men enjoy the freedom and that he dreams of a world where there is no mar humanity and greed will eradicate.
The word "dream" emphasises the longing which the persona holds that is not quite tangible - the repetition implies this "dream" is reoccurring, showing that the persona's longing is all the more strong.
<span>Strains of bacteria can become immune to antibiotics that once killed them effectively.
Because evolution is all about how the creature adapts to the environment and how it defends itself from the dangers around it. It can learn how to prevent those terrible things to happen to them that's why the virus is a creepy and good example. </span>
