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
Superposition is the geologic principle which explains why the bottom stratum in a section of rock is the oldest. The word literally means placing one thing on top of another where the lower strata are the older.
The Blue Nile begins at Lake Tana in Ethiopia and flows into Sudan from the southeast. The two rivers meet just north of the Sudanese capital of Khartoum. The northern section of the river flows north almost entirely through the Sudanese desert to Egypt, then ends in a large delta and flows into the Mediterranean Sea.
