Man is damaging the balance of nature which regulates climate and the atmosphere, produces and maintain healthy soils, provides food from the seas.
Giải bởi Vietjack
Chọn đáp án C
The environment in Vietnam is seriously affected by three main factors: rapid population grow, migration, and urbanization.
Several developed countries have had a rapid decline in fertility because many women there have delayed to have children.
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Vietnam faces a challenge which it is the rapid increase of motor vehicles, particularly in the big cities.
As personal incomes grow and vehicles become more affordable, problems associated with pollution have emerged like a major urban issue.
Many years ago, the climate of North America became such cold that great sheets of ice covered most of Canada.
On the first of next month, John ______ for that computer company for five years.
It is estimated that the population of Vietnam will reach 100 million for the next 25 years and will stabilize at 120 million by the middle of this century.
