It's an elastic wave in the earth produced by an earthquake or other means. hope it helps!
You can easily google this.
Answer:
Ranching and live stock are located in the fourth ring because animals can be raised far from the city because they are self-transporting—they can walk to the central city for sale or for butchering.
Explanation:
Link
If children work in factories, they miss out on education. So by banning child labor, more children can go to school.
Can you please put your question in English?
