Choose the word from the box and write it next to the correct definition
city-state overcrowding urban sprawl jet lag
factor lighthouse metro index
1/ an independent state consisting of a city and the area around it _____
2/ an underground train system ______
3/ a system that shows the level of prices and wages, ect, so that they can be compared with those of a previous date ______
4/ the feeling of tiredness and confusion after you fly between places that have a time difference of several hours ______
5/ a tower with a powerful flashing light that guides ships away from danger _________
6/ a fact or situation that influences the result of something _____
7/ the situation when there are too many people or things in one place ___________
8/ the spread of a city into the area surrounding it, often without planning _____
Giúp mik vs ạ! Thanks