Answer:
B. They traveled down Africa and around to india.
Explanation:
I took the test, said it was right.
The limits of genomic testing are connected with tracking the possibilities of developing a certain disease. It used to be believed that genes were the most importan responsible factors for causing self-immune diseases, but now it has been prooved that the environment, bad habits and nourishing, among other factors, play a more important role in that aspect.
Answer:
a. mobile phones
Explanation:
One day some engineers decided to change the course of history. Thinking of a way to make communication more efficient and easy, they had the brilliant idea of creating a system that would be capable of communicating between cordless phones. The idea was not bad, but the technology of the time did not help much.
The real history of the mobile phone began in 1973, when the first call was made from a mobile phone to a landline. It was from April 1973 that all theories proved that the cell worked perfectly, and that the cell phone network suggested in 1947 was designed correctly. This was a not very well known moment, but it certainly was a fact marked forever because it was the moment that facilitated communication for most people through the creation of the mobile phone.
<span>By the beginning of the First World War, the world population was about 1.6 billion. Europe and North America controlled 84 % of the land surface. There were only 35 independent countries and almost half of them were in the Americas. Asia had the largest part of world`s population : about 60% and around 390 million of its inhabitants lived in colonies. Also the whole Africa was colonized ( about 4.5 % of the world population ). Therefore we can calculate that about 33 % of the world`s population lived in colony. Answer: C ) one-third.</span>
