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He has handled a difficult topic by using the examples of familial images.
In the third paragraph the author has mentioned that the distinguishing characteristic of a continuum is that "The interval separating any two points may be divided into an infinite number of arbitrarily small steps.
In the fourth line from the last, he has mentioned, "so, time is the fourth dimension".
In the concluding lines the fourth paragraph it is stated that the air lines traffic manager depends on all except the continuos curve in a four dimensional space.
The tone is that of being instructive rather than persuasive condescending.
Fourth line from the last ‘The flight as a whole as a physical reality’ – ‘it must be thought of as a continuos curve in a four dimensional space – time continuum’ – to show how position changes in time.
Third & the fourth line from the fourth paragraph indicate that the co-ordinate points by which a sailor fixes his position in his two dimensional continuum are latitude and longitude. The surface of the sea is a two- dimensional continuum. Thus this example has been cited specifically to help understand a two – dimensional continuum.
Paltry this adjective means – mean trivial, contemptible or worthless the closest antonym is benevolent – kind and noble.
This noun means the adjective power or strength its antonym is powerlessness.
Answer Explanation To Test 2