Vast areas of the northern continents are occupied by the tundra, while there are almost no tundra on the southern continents. Why?

The influence of the oceans is greater – the ratio of land to oceans is different – more than different currents. Warm, moist air masses that form over warm currents.

Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.