Answer:
Continents are important for our evolution because, thanks to them, human beings for thousands of years were able to develop in different ways, for example some humans who are used to the cold of North America or Europe, or those who are used to the heat of Africa or parts of Asia, the continents are important to the man in question genetics
The body of water that the city of Los Angeles is located on is called the Los Angeles River. It now flows through a concrete channel on a fixed course, since it has been redrawn after many chaotic floods. The river is rarely used however for fresh water for the city, as it is now very polluted and has urban discharge in it's water, so the aqueducts in the city are now used for the fresh water mainly utilized in Los Angeles.
The Chinese have had restrictions in the amount of children that a family can have, for few decades it was one child, now it is two. Even thought the limit is increased to two children per family, it is a number that will allow the nation to keep it's population on a status quo level.
India, has it worst, the government has not been able to make a solid plan that can be implemented, the wast majority of the population is uneducated, and there's still the pride in having more children, so the population is still growing very fast.
The Kenyan government made a long term development plan, which as a main goal has to achieve a high quality life for all Kenyans that is sustainable with available resources. Also contraceptive coverage, and educating the population with videos, presentations, talks.