Here are some of their achievements:
- theory of radioactivity
-discovery of a new element, polonium
-discovery of another element, radium
- developing new ways of separating radioactive isotopes
-discovery of nuclear energy ( by Pierre and one of his students)
Answer:
Long-distance trade played a major role in the cultural, religious, and artistic exchanges that took place between the major centers of civilization in Europe and Asia during antiquity. Some of these trade routes had been in use for centuries, but by the beginning of the first century A.D., merchants, diplomats, and travelers could (in theory) cross the ancient world from Britain and Spain in the west to China and Japan in the east. The trade routes served principally to transfer raw materials, foodstuffs, and luxury goods from areas with surpluses to others where they were in short supply. Some areas had a monopoly on certain materials or goods. China, for example, supplied West Asia and the Mediterranean world with silk, while spices were obtained principally from South Asia. These goods were transported over vast distances— either by pack animals overland
Explanation:
I believe the answer is: <span>Calculating ad traffic and costs
When advertiser rely only on ad network, the amount of payment that they should made would be based on the impressions that the ads made from the visitors. So, it is important to calculate ad traffic in order to find out whether the interest that displayed by target market is worth the cost that they made for the ad campaign.</span>
Answer: One time me and 3 of my other classmates were at a small table around her because she was tutoring us and when i am thinking i glance in other directions to think straight and she thought i was looking at my classmates papers
Explanation:
Answer:
Phone repair-person I'm pretty sure