Which measurement has the greatest number of significant figures?
a.) 6.060 mg
b.) 60.6 mg
c.) 606 mg
d.) 60600 mg

What was the difference between bombing military targets in the united kingdom, and bombing the city of london? a. bombing a city kills lots of innocent civilians, bombing a military target doesn't b. bombing military targets didn't force the u.k. to surrender, but bombing london did c. military targets were bombed by japan, while london was bombed by the nazis d. london was bombed before the u.s. entered the war; military targets were bombed afterward

Which answer best describes an advantage of shipping goods by canal? a) most towns would rather have canals then noisy railroads b) goods could travel very fast downstream in the canal system c) traveling by boat is a much more relaxing way to transport goods. d) heavy loads of goods could travel by boat more easily then if pulled by horses.

Which of the following was probably the most difficult challenge facing construction of the railroad?