Answers

2016-01-02T10:20:12+05:30
1. We would not be able to do our work. 2. We would not be able to do calculations. 3. We would not be able to take exams. 4. There would be no papers to sign upon which were the proofs. 5. We would not be able to do advertisements. Hope I helped u.. Plz mark as the BRAINLIEST answer...
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2016-01-02T10:49:38+05:30
There wold be no studies .
no sending letters .
if its not invented
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