May 07, 2015 02:34 am | Updated 02:34 am IST
This week’s questions
Why are all the satellites and missiles launched from the east coast?
A. Karthika, Chennai
Why do injuries take a long time to heal for a diabetic?
Janani, Chennai
What is the difference between GSM (global system for mobile communication) and CDMA (code division multiple access) mobile services? Are separate hardwares required to provide these services?
Anuj Saini, New Delhi
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