Answer:
1000000000 nanoseconds ( in standard form )
hope this answer helps you!
B. measuring is the answer because you need to know how to measure
The escalator was important because during the 1890’s the huge buildings with 20 floors was incredibly difficult for people to walk up on on a daily basis so it was important that they found a solution to that problem
<span>the aswer is d. imitation?</span>
