Answer:
hand a rock to another person and do that in a line what makes it effecent is the fact that one person doesn't have to bring the rocks back and forth on there own
Explanation:
it makes it go quicker
Answer:
I believe it is b
Explanation:
The industrial revolution provided more jobs for people in factories for mass production, so people moved to cities to work in the factories.
Answer:
city 2 is the correct answer
i think the answer is 3 witch is c witch is Toronto, Ontario witch is the most populated city just ask google "Where is Toronto, Ontario?" and you will see I am correct.
If this is helpful mark me the brainiest
Have a good day/night
