The answer to the fill in the blank is a USB
Answer: when is not able to get up the stairs like a normal person
Explanation:
36 Nibbles are in 18bytes.
All different types of technology is created by the studies of science and experiments as well. Everything useful pretty much is tested by science/tist first before actually being put out to the market.
Therefore D would explain your answer. If there is advances in Science , it also helps advance technology.
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