Large cities because there are more Job opportunities.
STEP ONE Okay first you want to make sure that your shoe lace is undone.
STEP TWO Then your gonna wanna cross the two shoe laces over so it looks like an x
STEP THREE Then you will want to pull on both end so its tight.
STEP FOUR Next your gonna wanna make one hoop so it kinda looks like a bunny ear but leave one lace undone.
STEP FIVE After you have made a hoop and left one lace undone you are going to want to wrap the lace that you had undone around the hoop.
STEP SIX After you have wrapped the undone lace around the hoop your gonna want to put it threw the little opening you are going to make with the undone lace and pull it threw so it looks like you have to loops.
STEP SEVEN Now you know how to tie your shoes :)
....and yes I did type that all out because I felt like it
A because all the other answers do not apply what so ever
<span>The air that is found in soil is extremely different from the air that is found in the atmosphere. Why, you ask? Well, it's because the air that are in soils are not exactly exposed to moving air currents, thus the air that is found in soils are more moist and humid.
Good luck with your studies, I hope this helps~!</span>