If you monitor your practice run you can see how much your improved time wise.
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It can cause gene mutations, or can be carcinogenic
By putting protective garment against the radiation like lead
It shouldn't be phased out, its advantage outweigh its challenges and with time the solution to the challenges will be discovered.
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Answer:
I don't know you might be dehydrated if you don't drink anything else
so..... umm... drink water :)
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Answer:
pertussis or the 100-day cough
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