1. It is quite unnerving not to be able to see or to establish contact with the other person, even though we have learnt to have conversations with people we cannot see, as on the telephone.
2. Actually we know of no type of astronomical body in which the conditions can be favorable to life except planets like our own revolving round a sun.
3. The increase in the numbers of married women employed outside the home in the twentieth century had less to do with the mechanization of housework and an increase in leisure time for these women than it did with their own economic necessity and with high marriage rates that shrank the available pool of single women workers.
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