Answer:
I believe that the answer is 2) trains, but if you are allowed to have multiple answers I would say put 1) trucks and 2) trains
Answer:
18
Explanation:
To round a decimal/fraction to a whole number (0,1,2,3 and so on...), you need to see what the incomplete part of the decimal is. 17 9/11 is approximately 17.82. 17.82 can then be rounded to 18. Hope this helped, and if you need any more help, just ask me :D
Answer:
it increase the size of population
This is a false statement. A wolfpack was a name given to a naval tactic where the involved vessels, which would be designated to be in the wolfpack, had designated roles they had to play.