• 2022-06-06
    Please identify the casue and effect of the problem in the following situation.In recent decades, many people have poured into the cities and the cities have grown so large that now about 50% of the Earth's population lives in urban areas.
    A: The problem is "The cities have grown so large."
    B: The cause is "Many people have poured into the cities."
    C: The effect is "Now about 50% of the Earth's population lives in urban areas."
    D: None of them
  • A,B,C

    内容

    • 0

      Many Americans want to have their homes outside the cities and their jobs in the cities.

    • 1

      Now it’s mandatory for people and companies in many cities to sort and recycle household trash.

    • 2

      The British population is very unequally distributed: over of the total population lives in urban areas.

    • 3

      Why did many people move to the cities Many people moved to the cities to .

    • 4

      Cities have allowed people to cooperate more easily.